v0.5.1

What's Changed

• Bump google.golang.org/api from 0.82.0 to 0.83.0 by @dependabot in #642
• Bump google.golang.org/api from 0.83.0 to 0.84.0 by @dependabot in #647
• Add interface for certs/signer fetching to remove mutex by @haydentherapper in #643
• change grpc response logger to debug level instead of error by @bobcallaway in #648
• Bump actions/dependency-review-action from 1.0.2 to 2.0.1 by @dependabot in #650
• Bump github.com/googleapis/api-linter from 1.32.1 to 1.32.2 in /hack/tools by @dependabot in #651
• Bump golang from b203dc5 to 1c3d22f by @dependabot in #649
• Bump actions/dependency-review-action from 2.0.1 to 2.0.2 by @dependabot in #652
• Bump github.com/googleapis/api-linter from 1.32.2 to 1.32.3 in /hack/tools by @dependabot in #653
• Refactor in-memory signing CAs to use a single implementation by @haydentherapper in #644
• Bump github.com/prometheus/common from 0.34.0 to 0.35.0 by @dependabot in #655
• Bump github.com/spf13/cobra from 1.4.0 to 1.5.0 by @dependabot in #658
• Bump google.golang.org/api from 0.84.0 to 0.85.0 by @dependabot in #657
• Bump github/codeql-action from 2.1.12 to 2.1.13 by @dependabot in #656
• Bump github/codeql-action from 2.1.13 to 2.1.14 by @dependabot in #659
• Bump golang from 1c3d22f to 957001e by @dependabot in #660
• Bump golang from 957001e to a452d62 by @dependabot in #661
• Bump ossf/scorecard-action from 1.1.1 to 1.1.2 by @dependabot in #662
• Add Tink signing backend by @haydentherapper in #645
• Bump google.golang.org/api from 0.85.0 to 0.86.0 by @dependabot in #664
• Bump github/codeql-action from 2.1.14 to 2.1.15 by @dependabot in #663
• generate OpenAPI documents from protobuf by @bobcallaway in #666
• add dependabot hack to monitor for new protoc releases by @bobcallaway in #667
• Bump github.com/googleapis/api-linter from 1.32.3 to 1.33.0 in /hack/tools by @dependabot in #669
• Bump github.com/spiffe/go-spiffe/v2 from 2.1.0 to 2.1.1 by @dependabot in #668
• Update sigstore to pull in fixes by @haydentherapper in #671
• Add CORS support to HTTP endpoint by @bobcallaway in #670
• pipe all log messages to stdout for dev logger by @bobcallaway in #673
• Bump github.com/googleapis/api-linter from 1.33.0 to 1.33.1 in /hack/tools by @dependabot in #674
• add changelog for v0.5.1 by @cpanato in #675

Full Changelog: v0.5.0...v0.5.1

Thanks for all contributors!