OPS: Avoid duplicate constraint of pnpm version

Author: thclark

.github/workflows/ci.yml

@@ -23,7 +23,6 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
           run_install: false
 
       - name: Setup Node.js (with pnpm cache)

.github/workflows/publish.yml

@@ -23,7 +23,6 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
           run_install: false
 
       - name: Setup Node.js (with pnpm cache + npm registry)

.github/workflows/release.yml

@@ -27,7 +27,6 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
           run_install: false
 
       - name: Setup Node.js (with pnpm cache)