v2.9.1

What's Changed

• test: move gen_sifs.go to images dir by @tri-adam in #248
• test: add testing against Go 1.20 RC by @tri-adam in #250
• build(deps): bump github.com/sigstore/sigstore from 1.4.6 to 1.5.0 by @dependabot in #252
• build(deps): bump github.com/sigstore/sigstore from 1.5.0 to 1.5.1 by @dependabot in #253
• Bump Go Version by @tri-adam in #254
• ci: bump golangci-lint to v1.51 by @tri-adam in #255
• Refactor Test Key Corpus by @tri-adam in #256

Full Changelog: v2.9.0...v2.9.1