Bump softprops/action-gh-release from 2 to 3

Bumps [softprops/action-gh-release](https://github.com/softprops/action-gh-release) from 2 to 3.
- [Release notes](https://github.com/softprops/action-gh-release/releases)
- [Changelog](https://github.com/softprops/action-gh-release/blob/master/CHANGELOG.md)
- [Commits](softprops/action-gh-release@v2...v3)

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -66,7 +66,7 @@ jobs:
           wget https://raw.githubusercontent.com/t2linux/T2-Ubuntu/refs/heads/LTS/.github/workflows/instructions.txt
       - name: Release
         if: github.ref == 'refs/heads/mainline'
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@v3
         with:
           files: ${{ github.workspace }}/output/*
           tag_name: v${{ env.isotag }}