Bump github.com/google/go-cmp from 0.5.7 to 0.5.8 (#2729)

Bumps [github.com/google/go-cmp](https://github.com/google/go-cmp) from 0.5.7 to 0.5.8.
- [Release notes](https://github.com/google/go-cmp/releases)
- [Commits](google/go-cmp@v0.5.7...v0.5.8)

---
updated-dependencies:
- dependency-name: github.com/google/go-cmp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/google/btree v1.0.1
 	github.com/google/certificate-transparency-go v1.1.2-0.20210512142713-bed466244fa6
-	github.com/google/go-cmp v0.5.7
+	github.com/google/go-cmp v0.5.8
 	github.com/google/go-licenses v0.0.0-20210329231322-ce1d9163b77d
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/jonboulle/clockwork v0.3.0 // indirect

go.sum

@@ -377,8 +377,9 @@ github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-github/v28 v28.1.1/go.mod h1:bsqJWQX05omyWVmc00nEUql9mhQyv38lDZ8kPZcQVoM=
 github.com/google/go-licenses v0.0.0-20210329231322-ce1d9163b77d h1:JtmsUf+m+KdwCOgLG578T0Mvd0+l+dezPrJh5KYnXZg=
 github.com/google/go-licenses v0.0.0-20210329231322-ce1d9163b77d/go.mod h1:+TYOmkVoJOpwnS0wfdsJCV9CoD5nJYsHoFk/0CrTK4M=