Update GitHub Actions workflows to use pnpm for dependency installation and modify release command from yarn to pnpm.

Author: ndelangen

.github/workflows/release.yml

@@ -20,9 +20,13 @@ jobs:
       - name: Install dependencies
         uses: pnpm/action-setup@v4
 
+      - name: Install
+        run: |
+          pnpm install
+
       - name: Create Release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
         run: |
-          yarn release
+          pnpm run release

.github/workflows/test.yml

@@ -19,6 +19,10 @@ jobs:
       - name: Install dependencies
         uses: pnpm/action-setup@v4
 
+      - name: Install
+        run: |
+          pnpm install
+
       - name: Test
         run: |
           pnpm run test