ci: pin pnpm@9.0.0 in workflows to match project packageManager

Author: gcodeprabhu

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
+          version: 9.0.0
 
       - name: Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
+          version: 9.0.0
 
       - name: Setup Node.js
         uses: actions/setup-node@v4