Use same dependency cache key naming logic

Bring consistency across the whole pipeline

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

@@ -47,12 +47,28 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      # Cache composer dependencies
+      - id: cache-composer-deps
+        uses: actions/cache@v4
+        with:
+          path: vendor
+          key: composer-dependencies
+
+      # If there's no Composer cache, install dependencies
+      - if: steps.cache-composer-deps.outputs.cache-hit != 'true'
+        run: composer update --no-dev --classmap-authoritative
+
+      - name: Generate hashed key for download cache
+        run: |
+          INPUT_HASH=$(echo "${{ runner.os }}-${{ inputs.version }}-${{ inputs.extensions }}" | sha256sum | awk '{print $1}')
+          echo "INPUT_HASH=${INPUT_HASH}" >> $GITHUB_ENV
+
       # Cache downloaded source
       - id: cache-download
         uses: actions/cache@v4
         with:
           path: downloads
-          key: php-${{ inputs.version }}-dependencies-${{ inputs.extensions }}
+          key: php-${{ env.INPUT_HASH }}
 
       # With or without debug
       - if: inputs.debug == true