Use lowercase name to access env context var

Author: jmikola

.github/workflows/static-analysis.yml

@@ -37,7 +37,7 @@ jobs:
         uses: shivammathur/cache-extensions@v1
         with:
           php-version: ${{ env.PHP_VERSION }}
-          extensions: "mongodb-${{ ENV.DRIVER_VERSION }}"
+          extensions: "mongodb-${{ env.DRIVER_VERSION }}"
           key: "extcache-v1"
 
       - name: Cache extensions
@@ -51,7 +51,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
-          extensions: "mongodb-${{ ENV.DRIVER_VERSION }}"
+          extensions: "mongodb-${{ env.DRIVER_VERSION }}"
           php-version: "${{ env.PHP_VERSION }}"
           tools: "cs2pr"