ci(pnpm): downgrade pnpm version to 9 in workflows

Author: iDouglasD

.github/workflows/ci.yml

@@ -23,6 +23,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
+          version: 9
           run_install: false
 
       - name: Get pnpm store directory

.github/workflows/pr.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 10
+          version: 9
           run_install: false
 
       - name: Get pnpm store directory