build(deps): bump github.com/sigstore/sigstore from 1.8.8 to 1.8.9 in the all group

[dependabot]

Bumps the all group with 1 update: github.com/sigstore/sigstore.

Updates github.com/sigstore/sigstore from 1.8.8 to 1.8.9

Release notes

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

v1.8.9

What's Changed

• fuzzing: improve coverage by @​AdamKorcz in sigstore/sigstore#1809
• Deserialize ed25519 keys from hashivault correctly by @​stevenjohnstone in sigstore/sigstore#1811
• oauthflow: Add SubjectFromUnverifiedToken by @​adityasaky in sigstore/sigstore#1826

Full Changelog: sigstore/sigstore@v1.8.8...v1.8.9

Commits

• 4c750b7 oauthflow: Add SubjectFromUnverifiedToken (#1826)
• b27128f build(deps): Bump the all group in /test/e2e with 2 updates (#1824)
• 65aaa14 build(deps): Bump github.com/jellydator/ttlcache/v3 (#1822)
• 21ad778 build(deps): Bump github.com/jellydator/ttlcache/v3 (#1823)
• ebbebbf build(deps): Bump google.golang.org/api in /pkg/signature/kms/gcp (#1821)
• 615304f build(deps): Bump github.com/jellydator/ttlcache/v3 (#1820)
• 6fb1d8b build(deps): Bump github.com/jellydator/ttlcache/v3 (#1819)
• 075e85c build(deps): Bump actions/upload-artifact in the all group (#1825)
• 0ca1da6 build(deps): Bump the gomod group across 4 directories with 3 updates (#1818)
• 26aae9d build(deps): Bump cloud.google.com/go/kms in /pkg/signature/kms/gcp (#1817)
• Additional commits viewable in compare view

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