Update softprops/action-gh-release action to v2.6.1

Author: renovate[bot]

.github/workflows/appimage.yml

@@ -76,7 +76,7 @@ jobs:
           pattern: AppImage-*
           merge-multiple: true
       - name: Release AppImage
-        uses: softprops/action-gh-release@5be0e66d93ac7ed76da52eca8bb058f665c3a5fe # v2.4.2
+        uses: softprops/action-gh-release@153bb8e04406b158c6c84fc1615b65b24149a1fe # v2.6.1
         with:
           name: "QOwnNotes: ${{ needs.check-version.outputs.aur_version }}"
           tag_name: "${{ needs.check-version.outputs.aur_version }}"