Bump signpath/github-action-submit-signing-request from 2 to 3 (#11870)

Bumps [signpath/github-action-submit-signing-request](https://github.com/signpath/github-action-submit-signing-request) from 2 to 3.
- [Release notes](https://github.com/signpath/github-action-submit-signing-request/releases)
- [Commits](https://github.com/signpath/github-action-submit-signing-request/compare/v2...v3)

---
updated-dependencies:
- dependency-name: signpath/github-action-submit-signing-request
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release-candidate.yml

@@ -89,7 +89,7 @@ jobs:
 
     - name: Sign artifact
       id: sign-artifact
-      uses: signpath/github-action-submit-signing-request@v2
+      uses: signpath/github-action-submit-signing-request@v3
       with:
         api-token: '${{ secrets.SIGNPATH_API_TOKEN }}'
         organization-id: 'd330f023-29aa-44e4-b90b-ae1c570f4a25'