chore(i18n): switch sync translations workflow to ubuntu from macos

our i18n infrastructure used to rely on some macOS-specific behavior,
but now that it is all javascript I don't think the runner OS actually
matters

if it does not matter, then ubuntu is preferred as macos has limited
concurrency on free accounts

.github/workflows/sync_translations.yml

@@ -13,7 +13,7 @@ jobs:
       pull-requests: write # to create the PR with changes
     name: 'Sync Translations with Crowdin'
     timeout-minutes: 20
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
@@ -111,4 +111,4 @@ jobs:
               } else {
                 throw err;
               }
-            }
+            }