Update cosign library to pull in parallel verification

Signed-off-by: Priya Wadhwa <priya@chainguard.dev>

go.mod

@@ -28,8 +28,8 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/ryanuber/go-glob v1.0.0
-	github.com/sigstore/cosign/v2 v2.0.3-0.20230505201329-3121a17d136e
-	github.com/sigstore/rekor v1.2.1
+	github.com/sigstore/cosign/v2 v2.0.3-0.20230621082603-1e00e4100b7f
+	github.com/sigstore/rekor v1.2.2-0.20230530122220-67cc9e58bd23
 	github.com/sigstore/sigstore v1.7.0
 	github.com/stretchr/testify v1.8.4
 	github.com/theupdateframework/go-tuf v0.5.2
@@ -162,7 +162,7 @@ require (
 	github.com/go-openapi/runtime v0.26.0 // indirect
 	github.com/go-openapi/spec v0.20.9 // indirect
 	github.com/go-openapi/strfmt v0.21.7 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-openapi/swag v0.22.4 // indirect
 	github.com/go-openapi/validate v0.22.1 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
@@ -172,17 +172,17 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/google/certificate-transparency-go v1.1.5 // indirect
+	github.com/google/certificate-transparency-go v1.1.6 // indirect
 	github.com/google/gnostic v0.6.9 // indirect
 	github.com/google/go-github/v50 v50.2.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/pprof v0.0.0-20221103000818-d260c55eee4c // indirect
 	github.com/google/s2a-go v0.1.4 // indirect
-	github.com/google/trillian v1.5.2 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.4 // indirect
 	github.com/googleapis/gax-go/v2 v2.10.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.12.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 // indirect
 	github.com/hashicorp/vault/api v1.9.2 // indirect
 	github.com/imdario/mergo v0.3.13 // indirect
 	github.com/in-toto/in-toto-golang v0.9.0 // indirect
@@ -197,6 +197,8 @@ require (
 	github.com/leodido/go-urn v1.2.4 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/miekg/pkcs11 v1.1.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
@@ -209,7 +211,7 @@ require (
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0-rc3 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
 	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
@@ -222,40 +224,40 @@ require (
 	github.com/sassoftware/relic v7.2.1+incompatible // indirect
 	github.com/secure-systems-lab/go-securesystemslib v0.6.0 // indirect
 	github.com/shibumi/go-pathspec v1.3.0 // indirect
-	github.com/sigstore/protobuf-specs v0.1.0 // indirect
-	github.com/sigstore/timestamp-authority v1.1.0 // indirect
+	github.com/sigstore/timestamp-authority v1.1.1 // indirect
 	github.com/sirupsen/logrus v1.9.1 // indirect
-	github.com/spf13/afero v1.9.3 // indirect
-	github.com/spf13/cast v1.5.0 // indirect
+	github.com/spf13/afero v1.9.5 // indirect
+	github.com/spf13/cast v1.5.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.15.0 // indirect
+	github.com/spf13/viper v1.16.0 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
 	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
 	github.com/thales-e-security/pool v0.0.2 // indirect
 	github.com/tjfoc/gmsm v1.4.1 // indirect
 	github.com/transparency-dev/merkle v0.0.2 // indirect
 	github.com/vbatts/tar-split v0.11.3 // indirect
-	github.com/xanzy/go-gitlab v0.83.0 // indirect
+	github.com/xanzy/go-gitlab v0.85.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/yashtewari/glob-intersection v0.1.0 // indirect
 	go.mongodb.org/mongo-driver v1.11.3 // indirect
 	go.opencensus.io v0.24.0 // indirect
-	go.opentelemetry.io/otel v1.15.0 // indirect
-	go.opentelemetry.io/otel/trace v1.15.0 // indirect
+	go.opentelemetry.io/otel v1.16.0 // indirect
+	go.opentelemetry.io/otel/metric v1.16.0 // indirect
+	go.opentelemetry.io/otel/trace v1.16.0 // indirect
 	go.uber.org/automaxprocs v1.5.2 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
 	golang.org/x/mod v0.10.0 // indirect
 	golang.org/x/oauth2 v0.9.0 // indirect
-	golang.org/x/sync v0.2.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
 	golang.org/x/term v0.9.0 // indirect
 	golang.org/x/text v0.10.0 // indirect
 	golang.org/x/tools v0.9.1 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
-	google.golang.org/api v0.127.0 // indirect
+	google.golang.org/api v0.128.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20230530153820-e85fd2cbaebc // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20230530153820-e85fd2cbaebc // indirect