chore: Bump softprops/action-gh-release from 2.5.0 to 2.6.0

Bumps [softprops/action-gh-release](https://github.com/softprops/action-gh-release) from 2.5.0 to 2.6.0.
- [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@a06a81a...26e8ad2)

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -85,7 +85,7 @@ jobs:
           KONDUKTO_REPO: ${{ vars.KONDUKTO_REPO }}
           KONDUKTO_BRANCH_PREFIX: ${{ vars.KONDUKTO_BRANCH_PREFIX }}
       - name: Upload SBOM as release artifact
-        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b
+        uses: softprops/action-gh-release@26e8ad27a09a225049a7075d7ec1caa2df6ff332
         with:
           files: compliance/sbom.json
           tag_name: ${{ inputs.version_number }}