Bump signpath/github-action-submit-signing-request from 1 to 2

Bumps [signpath/github-action-submit-signing-request](https://github.com/signpath/github-action-submit-signing-request) from 1 to 2.
- [Release notes](https://github.com/signpath/github-action-submit-signing-request/releases)
- [Commits](https://github.com/signpath/github-action-submit-signing-request/compare/v1...v2)

---
updated-dependencies:
- dependency-name: signpath/github-action-submit-signing-request
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/packaging.yml

@@ -127,7 +127,7 @@ jobs:
 
       - name: Microsoft Authenticode
         id: signpath
-        uses: signpath/github-action-submit-signing-request@v1
+        uses: signpath/github-action-submit-signing-request@v2
         with:
           api-token: '${{ secrets.SIGNPATH_API_TOKEN }}'
           organization-id: '${{ secrets.SIGNPATH_ORGANISATION_ID }}'