CI: Cache downloaded Unicode CLDR database

.github/workflows/cmake.yml

@@ -120,12 +120,19 @@ jobs:
         run: |
           mkdir -p ${{ github.workspace }}/Build
           mkdir -p ${{ github.workspace }}/Build/UCD
+          mkdir -p ${{ github.workspace }}/Build/CLDR
       - name: UnicodeData cache
         # TODO: Change the version to the released version when https://github.com/actions/cache/pull/489 (or 571) is merged.
         uses: actions/cache@03e00da99d75a2204924908e1cca7902cafce66b
         with:
           path: ${{ github.workspace }}/Build/UCD
           key: UnicodeData-${{ hashFiles('Userland/Libraries/LibUnicode/unicode_data.cmake') }}
+      - name: UnicodeLocale Cache
+        # TODO: Change the version to the released version when https://github.com/actions/cache/pull/489 (or 571) is merged.
+        uses: actions/cache@03e00da99d75a2204924908e1cca7902cafce66b
+        with:
+          path: ${{ github.workspace }}/Build/CLDR
+          key: UnicodeLocale-${{ hashFiles('Userland/Libraries/LibUnicode/unicode_data.cmake') }}
       - name: Create build environment with extra debug options
         working-directory: ${{ github.workspace }}/Build
         # Build the entire project with all available debug options turned on, to prevent code rot.

Meta/Azure/Caches.yml

@@ -38,6 +38,12 @@ steps:
       path: $(Build.SourcesDirectory)/${{ parameters.build_directory }}/UCD
     displayName: 'UnicodeData Cache'
 
+  - task: Cache@2
+    inputs:
+      key: '"unicode_locale" | Userland/Libraries/LibUnicode/unicode_data.cmake'
+      path: $(Build.SourcesDirectory)/${{ parameters.build_directory }}/CLDR
+    displayName: 'UnicodeLocale Cache'
+
   - script: |
       ccache -M 5G
       ccache -s