ci: Use reusable export action

.github/workflows/export.yml

@@ -12,9 +12,6 @@ on:
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
 
-env:
-  GODOT_VERSION: 4.4.1
-
 jobs:
   build:
     name: Build for web
@@ -25,45 +22,9 @@ jobs:
         with:
           lfs: true
 
-      - name: Cache Godot Engine downloads
-        id: cache-godot
-        uses: actions/cache@v5
+      - uses: endlessm/godot-export-action@v1
         with:
-          path: |
-            build/godot
-            build/._sc_
-            build/editor_data/export_templates/${{ env.GODOT_VERSION }}.stable
-          key: godot-${{ env.GODOT_VERSION }}
-
-      - name: Download Godot Engine from GitHub release
-        id: download
-        if: steps.cache-godot.outputs.cache-hit != 'true'
-        run: |
-          mkdir -p build && cd build
-
-          # Download Godot Engine itself
-          wget --progress=dot:giga https://github.com/godotengine/godot/releases/download/${GODOT_VERSION}-stable/Godot_v${GODOT_VERSION}-stable_linux.x86_64.zip && \
-          unzip Godot_v${GODOT_VERSION}-stable_linux.x86_64.zip && \
-          mv Godot_v${GODOT_VERSION}-stable_linux.x86_64 godot
-
-          # Download export templates
-          mkdir -p editor_data/export_templates
-          wget --progress=dot:giga https://github.com/godotengine/godot/releases/download/${GODOT_VERSION}-stable/Godot_v${GODOT_VERSION}-stable_export_templates.tpz && \
-          unzip Godot_v${GODOT_VERSION}-stable_export_templates.tpz && \
-          mv templates editor_data/export_templates/${GODOT_VERSION}.stable
-
-          # Tell Godot Engine to run in "self-contained" mode so it looks for
-          # templates here instead of in ~/.local/share/godot/
-          touch ._sc_
-
-      - name: Export web release
-        run: |
-          mkdir -v -p build/web && cd build
-
-          # Note that the export path can be confusing; it's relative to the
-          # Godot project path, NOT necessarily the current directory or Godot
-          # binary location
-          ./godot --headless --verbose --path ../ --export-release "Web" ./build/web/index.html
+          godot_version: 4.4.1
 
       - name: Upload web artifact
         uses: actions/upload-artifact@v6