fix: env corepack custom url

Author: Qbandev

action.yml

@@ -72,9 +72,14 @@ runs:
       run: echo "actual-commit-hash=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
       shell: bash
 
-    - run: COREPACK_ENABLE_UNSAFE_CUSTOM_URLS=1 corepack enable
+    - run: echo "COREPACK_ENABLE_UNSAFE_CUSTOM_URLS=1" >> $GITHUB_ENV
       shell: bash
 
+    - run: corepack enable
+      shell: bash
+      env:
+        COREPACK_ENABLE_UNSAFE_CUSTOM_URLS: 1
+
     # In a low-risk environment, try to download cache of `node_modules`, if it
     # exists. On failure, will run the `yarn` command instead.
     - name: Download node_modules cache