fix: set pnpm version in CI scripts

Author: gabrielmpinto

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
+          version: 7.32.4
 
       - name: Install dependencies
         run: pnpm i --frozen-lockfile

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Set up pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
+          version: 7.32.4
 
       - name: Install dependencies
         run: pnpm i --frozen-lockfile