chore: Fix brand color contrast, temporarily pin release action until softprops/action-gh-release#343 (comment) is resolved

Signed-off-by: Felicitas Pojtinger <felicitas@pojtinger.com>

Author: pojntfx

.github/workflows/flatpak.yaml

@@ -55,7 +55,7 @@ jobs:
         run: echo "branch=$(echo ${GITHUB_REF#refs/heads/})" >> $GITHUB_OUTPUT
       - name: Publish pre-release to GitHub releases
         if: ${{ github.ref == 'refs/heads/main' }}
-        uses: softprops/action-gh-release@v2.3.2
+        uses: softprops/action-gh-release@605f567f95cfaf9465d68c7dbf509f374691fb12
         with:
           tag_name: release-${{ steps.extract_branch.outputs.branch }}
           prerelease: true
@@ -64,7 +64,7 @@ jobs:
             /tmp/out/*/*
       - name: Publish release to GitHub releases
         if: startsWith(github.ref, 'refs/tags/v')
-        uses: softprops/action-gh-release@v2.3.2
+        uses: softprops/action-gh-release@605f567f95cfaf9465d68c7dbf509f374691fb12
         with:
           prerelease: false
           overwrite_files: true

assets/resources/metainfo.xml

@@ -41,8 +41,8 @@
     </recommends>
 
     <branding>
-        <color type="primary" scheme_preference="light">#6fb0ff</color>
-        <color type="primary" scheme_preference="dark">#0087ff</color>
+        <color type="primary" scheme_preference="light">#7bb4ff</color>
+        <color type="primary" scheme_preference="dark">#3584e4</color>
     </branding>
 
     <description>