fix(deps): update module github.com/sigstore/rekor to v1.2.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/sigstore/rekor	require	minor	v1.1.1 -> v1.2.1

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Release Notes

sigstore/rekor

v1.2.1

Compare Source

Bug Fixes

• run go mod tidy in hack/tools (#​1510)

Contributors

• Bob Callaway

v1.2.0

Compare Source

Functional Enhancements

• add client method to generate TLE struct (#​1498)
• add dsse type (#​1487)
• support other KMS providers (AWS, Azure, Hashicorp) in addition to GCP (#​1488)
• Add concurrency to backfill-redis (#​1504)
• omit informational message if machine-parseable output has been requested (#​1486)
• Publish stable checkpoint periodically to Redis (#​1461)
• Add intoto v0.0.2 to backfill script (#​1500)
• add new method to test insertability of proposed entries into log (#​1410)

Quality Enhancements

• use t.Skip() in fuzzers (#​1506)
• improve fuzzing coverage (#​1499)
• Remove watcher script (#​1484)

Bug Fixes

• Merge pull request from GHSA-frqx-jfcm-6jjr
• Remove requirement of PayloadHash for intoto 0.0.1 (#​1490)
• fix lint errors, bump linter up to 1.52 (#​1485)
• Remove dependencies from pkg/util (#​1469)

Contributors

• Bob Callaway
• Carlos Tadeu Panato Junior
• Ceridwen Coghlan
• Cody Soyland
• Hayden B
• Miloslav Trmač

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[mtrmac]

This adds a large dependency tree again, and does not change any code we care about… Hopefully sigstore/rekor#1511 will be merged quickly, so I’m leaving this open for a while.