Remove explicit pnpm version from GitHub Actions workflows

Author: cursoragent

.github/workflows/algolia-index.yml

@@ -15,8 +15,6 @@ jobs:
           node-version-file: 'package.json'
 
       - uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - uses: dorny/paths-filter@v3
         id: filter

.github/workflows/lint-404s.yml

@@ -17,8 +17,6 @@ jobs:
           node-version-file: 'package.json'
 
       - uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - uses: dorny/paths-filter@v3
         id: filter

.github/workflows/sync-labels.yml

@@ -29,8 +29,6 @@ jobs:
           node-version-file: 'package.json'
 
       - uses: pnpm/action-setup@v4
-        with:
-          version: 9
       - run: pnpm add -g [email protected]
 
       - name: Run github-label-sync

.github/workflows/test.yml

@@ -33,8 +33,6 @@ jobs:
           key: node-${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
 
       - uses: pnpm/action-setup@v4
-        with:
-          version: 9
       - run: pnpm install --frozen-lockfile
         if: steps.cache.outputs.cache-hit != 'true'
 
@@ -76,8 +74,6 @@ jobs:
           path: ${{ github.workspace }}/node_modules
           key: node-${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
       - uses: pnpm/action-setup@v4
-        with:
-          version: 9
       - run: pnpm install --frozen-lockfile
         if: steps.cache.outputs.cache-hit != 'true'
       - name: Run Tests