Update dependencies for gokart and to address panic

[jauderho]

Building gokart as is resulted in a panic.

panic: no concrete method: func (*crypto/x509.Certificate).CheckCRLSignature(crl *crypto/x509/pkix.CertificateList) error

goroutine 1 [running]:
golang.org/x/tools/go/ssa.(*Program).declaredFunc(0xc0001ae6c0, 0xc0001f33e0)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:149 +0xf9
golang.org/x/tools/go/ssa.(*Program).originFunc(0xc0005e6cd0?, 0x40f827?)
	golang.org/x/tools@v0.1.12/go/ssa/source.go:193 +0x32
golang.org/x/tools/go/ssa.(*Program).addMethod(0xc0001ae6c0, 0xc00096d0a0, 0xc0005e6cd0, 0xa988e0?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:109 +0x179
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92798?, 0xc0003941b0?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:200 +0x705
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc927e8?, 0xc0003941c0?}, 0x0, 0x106f768?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:223 +0x2d7
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92810?, 0xc000191c20?}, 0x1, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:255 +0x617
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92770?, 0xc000182f50?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:248 +0x487
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92838?, 0xc0001e6840?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:260 +0x5ae
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc927c0?, 0xc0001dfdc0?}, 0x0, 0x106f768?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:236 +0x3bc
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92810?, 0xc000191ce0?}, 0x1, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:255 +0x617
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92770?, 0xc000182a10?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:248 +0x487
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92798?, 0xc000394310?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:220 +0x29b
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92838?, 0xc0001e68b8?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:260 +0x5ae
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92770?, 0xc0001829a0?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:208 +0x1d0
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92838?, 0xc0001e7080?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:260 +0x5ae
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92798?, 0xc0007c52c0?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:208 +0x1d0
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92838?, 0xc0007b4cf0?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:260 +0x5ae
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92798?, 0xc000865290?}, 0x0, 0x106f760?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:208 +0x1d0
golang.org/x/tools/go/ssa.(*Program).needMethods(0xc0001ae6c0, {0xc92770?, 0xc0007e6070?}, 0x0, 0x9f84f6?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:242 +0x458
golang.org/x/tools/go/ssa.(*Program).needMethodsOf(0xc0001ae6c0, {0xc92770?, 0xc0007e6070?}, 0xc000853da0?)
	golang.org/x/tools@v0.1.12/go/ssa/methods.go:172 +0x7f
golang.org/x/tools/go/ssa.(*Package).build(0xc0000b3580)
	golang.org/x/tools@v0.1.12/go/ssa/builder.go:2427 +0x133
sync.(*Once).doSlow(0xc0001ae6c0?, 0xc0005e19f0?)
	sync/once.go:74 +0xc2
sync.(*Once).Do(...)
	sync/once.go:65
golang.org/x/tools/go/ssa.(*Package).Build(...)
	golang.org/x/tools@v0.1.12/go/ssa/builder.go:2413
golang.org/x/tools/go/analysis/passes/buildssa.run(0xc000978f70)
	golang.org/x/tools@v0.1.12/go/analysis/passes/buildssa/buildssa.go:73 +0x1a8
github.com/praetorian-inc/gokart/run.RunAnalyzers({0x109efe0, 0x5, 0xc000159a78?}, 0xc0003a6480)
	github.com/praetorian-inc/gokart@v0.5.1/run/run.go:133 +0x1cf
github.com/praetorian-inc/gokart/run.Run({0x109efe0, 0x5, 0x5}, {0xc00018f090?, 0x0?, 0x0?})
	github.com/praetorian-inc/gokart@v0.5.1/run/run.go:42 +0x125
github.com/praetorian-inc/gokart/analyzers.Scan({0xc00018f090?, 0x1, 0x1})
	github.com/praetorian-inc/gokart@v0.5.1/analyzers/scan.go:163 +0x5d1
github.com/praetorian-inc/gokart/cmd.glob..func1(0x10a67c0?, {0xc00018f090, 0x1, 0x1})
	github.com/praetorian-inc/gokart@v0.5.1/cmd/scan.go:91 +0x425
github.com/spf13/cobra.(*Command).execute(0x10a67c0, {0xc00018f060, 0x1, 0x1})
	github.com/spf13/cobra@v1.2.1/command.go:860 +0x663
github.com/spf13/cobra.(*Command).ExecuteC(0x10a6540)
	github.com/spf13/cobra@v1.2.1/command.go:974 +0x3bd
github.com/spf13/cobra.(*Command).Execute(...)
	github.com/spf13/cobra@v1.2.1/command.go:902
github.com/praetorian-inc/gokart/cmd.Execute(...)
	github.com/praetorian-inc/gokart@v0.5.1/cmd/root.go:61
main.main()
	github.com/praetorian-inc/gokart@v0.5.1/main.go:38 +0x25

Updating using go get -u and rebuilding results in a working binary.

This PR includes the updated dependencies and also adds Dependabot support to keep packages and workflows up to date via PRs (as needed)

[ryantm]

I tried using this branch and it worked for me. Thanks!