Upgrade 'pnpm/action-setup' to v4 in all CI workflows

Follow-up to PR 279,
where specifically the test-deploy-pnpm.yaml workflow was updated.

Author: DeeDeeG

.github/workflows/deploy-pnpm.yaml

@@ -24,7 +24,7 @@ jobs:
         with:
           node-version: 16
 
-      - uses: pnpm/action-setup@v2.2.2
+      - uses: pnpm/action-setup@v4
         name: Install pnpm
         id: pnpm-install
         with:

.github/workflows/deploy.yaml

@@ -21,7 +21,7 @@ jobs:
         with:
           node-version: 16
 
-      - uses: pnpm/action-setup@v2.0.1
+      - uses: pnpm/action-setup@v4
         name: Install pnpm
         id: pnpm-install
         with:

.github/workflows/lint.yaml

@@ -20,7 +20,7 @@ jobs:
         with:
           node-version: 16
 
-      - uses: pnpm/action-setup@v2.0.1
+      - uses: pnpm/action-setup@v4
         name: Install pnpm
         id: pnpm-install
         with:

.github/workflows/test-deploy.yaml

@@ -16,7 +16,7 @@ jobs:
          uses: actions/setup-node@v3
          with:
            node-version: '16'
-       - uses: pnpm/action-setup@v2.2.2
+       - uses: pnpm/action-setup@v4
         with:
           version: 6.0.2
           run_install: |