ci(workflow): fix pnpm cache path context by using step outputs

- Replace env var STORE_PATH with step output\n- Add id to pnpm-store step and write to \n- Reference cache path via steps.pnpm-store.outputs.path\n- Resolves linter warning: Context access might be invalid: STORE_PATH\n- No behavior change; caching remains the same

.github/workflows/release.yml

@@ -37,13 +37,14 @@ jobs:
           run_install: false
 
       - name: Get pnpm store directory
+        id: pnpm-store
         shell: bash
-        run: echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+        run: echo "path=$(pnpm store path --silent)" >> $GITHUB_OUTPUT
 
       - name: Setup pnpm cache
         uses: actions/cache@v3
         with:
-          path: ${{ env.STORE_PATH }}
+          path: ${{ steps.pnpm-store.outputs.path }}
           key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
           restore-keys: ${{ runner.os }}-pnpm-store-