Fix default value formatting in workflow YAML files and clean up whitespace in update_ff.py

.github/workflows/linux-release-build.yml

@@ -14,7 +14,7 @@ on:
       MOZ_BUILD_DATE:
         type: string
         required: true
-        default: ""
+        default: ''
 
 jobs:
   build-linux:

.github/workflows/macos-release-build.yml

@@ -14,7 +14,7 @@ on:
       MOZ_BUILD_DATE:
         type: string
         required: true
-        default: ""
+        default: ''
 
 jobs:
   mac-build:

.github/workflows/macos-universal-release-build.yml

@@ -102,9 +102,9 @@ jobs:
         env:
           SURFER_MOZCONFIG_ONLY: true
         run: |
-              pnpm build
+          pnpm build
-              cd engine
+          cd engine
-              ./mach configure
+          ./mach configure
 
       - name: Download x86_64 DMG from artifacts
         uses: actions/download-artifact@v4
@@ -187,7 +187,6 @@ jobs:
           echo "Copying provisioning profile for .app on both architectures (${{ env.APP_NAME }})"
           cp ./Zen_Browser.provisionprofile "./embedded.provisionprofile"
 
-
       - name: Sign .app
         run: |
           cd engine

.github/workflows/windows-release-build.yml

@@ -21,7 +21,7 @@ on:
       MOZ_BUILD_DATE:
         type: string
         required: true
-        default: ""
+        default: ''
 
 jobs:
   windows-build:

scripts/update_ff.py

@@ -56,6 +56,7 @@ def update_readme(last_version, new_version, is_rc=False):
   except FileNotFoundError as e:
     raise RuntimeError(f"README.md file not found: {e}")
 
+
 def update_l10n_last_commit_hash():
   L10N_REPO = "https://github.com/mozilla-l10n/firefox-l10n"
   try:
@@ -68,6 +69,7 @@ def update_l10n_last_commit_hash():
     print("Exiting...")
   shutil.rmtree("l10n-temp")
 
+
 def main():
   """Main function to update versions and README."""