bump go version to 1.21

go.mod

@@ -1,11 +1,68 @@
 module github.com/YaleUniversity/packer-provisioner-goss
 
-go 1.16
+go 1.21.0
+
+toolchain go1.21.1
 
 require (
 	github.com/hashicorp/hcl/v2 v2.21.0
-	github.com/hashicorp/packer-plugin-sdk v0.5.4
+	github.com/hashicorp/packer-plugin-sdk v0.5.2
 	github.com/zclconf/go-cty v1.14.2
 )
 
+require (
+	github.com/agext/levenshtein v1.2.3 // indirect
+	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
+	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
+	github.com/armon/go-metrics v0.4.1 // indirect
+	github.com/aws/aws-sdk-go v1.44.114 // indirect
+	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
+	github.com/cenkalti/backoff/v3 v3.2.2 // indirect
+	github.com/fatih/color v1.16.0 // indirect
+	github.com/go-jose/go-jose/v4 v4.0.1 // indirect
+	github.com/google/uuid v1.4.0 // indirect
+	github.com/hashicorp/consul/api v1.25.1 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-getter/v2 v2.2.2 // indirect
+	github.com/hashicorp/go-hclog v1.6.3 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.6 // indirect
+	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
+	github.com/hashicorp/go-safetemp v1.0.0 // indirect
+	github.com/hashicorp/go-secure-stdlib/parseutil v0.1.6 // indirect
+	github.com/hashicorp/go-secure-stdlib/strutil v0.1.2 // indirect
+	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/hashicorp/serf v0.10.1 // indirect
+	github.com/hashicorp/vault/api v1.14.0 // indirect
+	github.com/hashicorp/yamux v0.1.1 // indirect
+	github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/klauspost/compress v1.15.9 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
+	github.com/mitchellh/iochan v1.0.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/reflectwalk v1.0.0 // indirect
+	github.com/ryanuber/go-glob v1.0.0 // indirect
+	github.com/ugorji/go/codec v1.2.6 // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
+	golang.org/x/crypto v0.23.0 // indirect
+	golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
+	golang.org/x/mod v0.13.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.14.0 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
+)
+
 replace github.com/zclconf/go-cty => github.com/nywilken/go-cty v1.13.3 // added by packer-sdc fix as noted in github.com/hashicorp/packer-plugin-sdk/issues/187