Bump github.com/sigstore/timestamp-authority from 1.1.2 to 1.2.0

Bumps [github.com/sigstore/timestamp-authority](https://github.com/sigstore/timestamp-authority) from 1.1.2 to 1.2.0.
- [Release notes](https://github.com/sigstore/timestamp-authority/releases)
- [Changelog](https://github.com/sigstore/timestamp-authority/blob/main/CHANGELOG.md)
- [Commits](sigstore/timestamp-authority@v1.1.2...v1.2.0)

---
updated-dependencies:
- dependency-name: github.com/sigstore/timestamp-authority
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/cyberphone/json-canonicalization v0.0.0-20220623050100-57a0ce2678a7
-	github.com/digitorus/timestamp v0.0.0-20230821155606-d1ad5ca9624c
+	github.com/digitorus/timestamp v0.0.0-20230902153158-687734543647
 	github.com/go-openapi/runtime v0.26.0
 	github.com/go-openapi/strfmt v0.21.7
 	github.com/go-openapi/swag v0.22.4
@@ -14,7 +14,7 @@ require (
 	github.com/sigstore/protobuf-specs v0.2.1
 	github.com/sigstore/rekor v1.3.0
 	github.com/sigstore/sigstore v1.7.3
-	github.com/sigstore/timestamp-authority v1.1.2
+	github.com/sigstore/timestamp-authority v1.2.0
 	github.com/stretchr/testify v1.8.4
 	github.com/theupdateframework/go-tuf v0.6.1
 	golang.org/x/mod v0.12.0
@@ -24,7 +24,7 @@ require (
 require (
 	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
 	github.com/blang/semver v3.5.1+incompatible // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/digitorus/pkcs7 v0.0.0-20230818184609-3a137a874352 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
@@ -40,7 +40,7 @@ require (
 	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
-	github.com/go-playground/validator/v10 v10.15.2 // indirect
+	github.com/go-playground/validator/v10 v10.15.5 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-containerregistry v0.16.1 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
@@ -53,41 +53,41 @@ require (
 	github.com/letsencrypt/boulder v0.0.0-20221109233200-85aa52084eaf // 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/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/oklog/ulid v1.3.1 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/sagikazarmark/locafero v0.3.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sassoftware/relic v7.2.1+incompatible // indirect
 	github.com/shibumi/go-pathspec v1.3.0 // indirect
-	github.com/spf13/afero v1.9.5 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.10.0 // indirect
 	github.com/spf13/cast v1.5.1 // indirect
 	github.com/spf13/cobra v1.7.0 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.16.0 // indirect
-	github.com/subosito/gotenv v1.4.2 // indirect
+	github.com/spf13/viper v1.17.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 // indirect
 	github.com/transparency-dev/merkle v0.0.2 // indirect
 	go.mongodb.org/mongo-driver v1.11.3 // indirect
 	go.opentelemetry.io/otel v1.14.0 // indirect
 	go.opentelemetry.io/otel/trace v1.14.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	go.uber.org/zap v1.25.0 // indirect
-	golang.org/x/crypto v0.12.0 // indirect
-	golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
-	golang.org/x/net v0.14.0 // indirect
-	golang.org/x/sys v0.11.0 // indirect
-	golang.org/x/term v0.11.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
-	google.golang.org/genproto v0.0.0-20230803162519-f966b187b2e5 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20230803162519-f966b187b2e5 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230807174057-1744710a1577 // indirect
-	google.golang.org/grpc v1.57.0 // indirect
+	go.uber.org/zap v1.26.0 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/term v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	google.golang.org/genproto v0.0.0-20230913181813-007df8e322eb // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230913181813-007df8e322eb // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230920204549-e6e6cdab5c13 // indirect
+	google.golang.org/grpc v1.58.2 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect