fix(ci) fix shell-tool-mcp version v2 (#10101)

## summary
we had a merge conflict from the linux musl fix, let's get this squared
away.

.github/workflows/shell-tool-mcp.yml

@@ -344,7 +344,6 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 10.8.1
           run_install: false
 
       - name: Setup Node.js
@@ -440,7 +439,6 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 10.8.1
           run_install: false
 
       - name: Setup Node.js