Bump github.com/sigstore/sigstore from 1.8.0 to 1.8.1

[dependabot[bot]]

Bumps github.com/sigstore/sigstore from 1.8.0 to 1.8.1.

Release notes

Sourced from github.com/sigstore/sigstore's releases.

v1.8.1

What's Changed

• Added kms support for AWS China region by @​maaiika in sigstore/sigstore#1582

New Contributors

• @​maaiika made their first contribution in sigstore/sigstore#1582

Full Changelog: https://github.com/sigstore/sigstore/compare/v1.8.0...v1.8.1

Commits

• 358f542 build(deps): Bump the all group with 2 updates (#1597)
• f383bb0 build(deps): Bump golang.org/x/term from 0.15.0 to 0.16.0 (#1592)
• a0ab357 build(deps): Bump the all group in /pkg/signature/kms/gcp with 2 updates
• 16fcae0 build(deps): Bump the all group with 3 updates
• 7b743fa build(deps): Bump the all group in /pkg/signature/kms/aws with 1 update
• 519585c build(deps): Bump the all group in /pkg/signature/kms/gcp with 1 update
• 3301ba9 build(deps): Bump the all group in /pkg/signature/kms/aws with 4 updates
• e13edfd build(deps): Bump the all group with 1 update
• c201544 build(deps): Bump the all group
• 7ae64bc Added kms support for AWS China region (#1582)
• Additional commits viewable in compare view

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