chore(deps): bump github.com/sigstore/sigstore-go from 0.5.1 to 0.6.0

Bumps [github.com/sigstore/sigstore-go](https://github.com/sigstore/sigstore-go) from 0.5.1 to 0.6.0.
- [Release notes](https://github.com/sigstore/sigstore-go/releases)
- [Commits](sigstore/sigstore-go@v0.5.1...v0.6.0)

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

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

go.mod

@@ -35,7 +35,7 @@ require (
 	github.com/sigstore/protobuf-specs v0.3.2
 	github.com/sigstore/rekor v1.3.6
 	github.com/sigstore/sigstore v1.8.8
-	github.com/sigstore/sigstore-go v0.5.1
+	github.com/sigstore/sigstore-go v0.6.0
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.8
 	github.com/sigstore/sigstore/pkg/signature/kms/azure v1.8.8
 	github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.8.8
@@ -190,6 +190,7 @@ require (
 	github.com/hashicorp/hcl v1.0.1-vault-5 // indirect
 	github.com/hashicorp/vault/api v1.14.0 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
+	github.com/in-toto/attestation v1.1.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267 // indirect
 	github.com/jellydator/ttlcache/v3 v3.2.0 // indirect
@@ -260,7 +261,7 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3 // indirect
-	golang.org/x/mod v0.19.0 // indirect
+	golang.org/x/mod v0.20.0 // indirect
 	golang.org/x/net v0.27.0 // indirect
 	golang.org/x/sys v0.23.0 // indirect
 	golang.org/x/text v0.17.0 // indirect

go.sum

@@ -445,6 +445,8 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
 github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
+github.com/in-toto/attestation v1.1.0 h1:oRWzfmZPDSctChD0VaQV7MJrywKOzyNrtpENQFq//2Q=
+github.com/in-toto/attestation v1.1.0/go.mod h1:DB59ytd3z7cIHgXxwpSX2SABrU6WJUKg/grpdgHVgVs=
 github.com/in-toto/in-toto-golang v0.9.0 h1:tHny7ac4KgtsfrG6ybU8gVOZux2H8jN05AXJ9EBM1XU=
 github.com/in-toto/in-toto-golang v0.9.0/go.mod h1:xsBVrVsHNsB61++S6Dy2vWosKhuA3lUTQd+eF9HdeMo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@@ -614,8 +616,8 @@ github.com/sigstore/rekor v1.3.6 h1:QvpMMJVWAp69a3CHzdrLelqEqpTM3ByQRt5B5Kspbi8=
 github.com/sigstore/rekor v1.3.6/go.mod h1:JDTSNNMdQ/PxdsS49DJkJ+pRJCO/83nbR5p3aZQteXc=
 github.com/sigstore/sigstore v1.8.8 h1:B6ZQPBKK7Z7tO3bjLNnlCMG+H66tO4E/+qAphX8T/hg=
 github.com/sigstore/sigstore v1.8.8/go.mod h1:GW0GgJSCTBJY3fUOuGDHeFWcD++c4G8Y9K015pwcpDI=
-github.com/sigstore/sigstore-go v0.5.1 h1:5IhKvtjlQBeLnjKkzMELNG4tIBf+xXQkDzhLV77+/8Y=
-github.com/sigstore/sigstore-go v0.5.1/go.mod h1:TuOfV7THHqiDaUHuJ5+QN23RP/YoKmsbwJpY+aaYPN0=
+github.com/sigstore/sigstore-go v0.6.0 h1:X72BkR8kXFcdhF/V5GA2fpFvCz+VyZ6fI0YgTBn5feI=
+github.com/sigstore/sigstore-go v0.6.0/go.mod h1:+RyopI/FJDE6z5WVs2sQ2nkc+zsxxByDmbp8a4HoxbA=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.8 h1:2zHmUvaYCwV6LVeTo+OAkTm8ykOGzA9uFlAjwDPAUWM=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.8/go.mod h1:OEhheBplZinUsm7W9BupafztVZV3ldkAxEHbpAeC0Pk=
 github.com/sigstore/sigstore/pkg/signature/kms/azure v1.8.8 h1:RKk4Z+qMaLORUdT7zntwMqKiYAej1VQlCswg0S7xNSY=
@@ -773,8 +775,8 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
-golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0=
+golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=