build(deps): bump pnpm/action-setup from 3 to 4

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 3 to 4.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](pnpm/action-setup@v3...v4)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/main.yml

@@ -46,7 +46,7 @@ jobs:
         with:
           node-version: lts/*
       - name: Setup PNPM
-        uses: pnpm/action-setup@v3
+        uses: pnpm/action-setup@v4
         with:
           version: latest
           run_install: true

.github/workflows/pull_request.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           node-version: lts/*
       - name: Setup PNPM
-        uses: pnpm/action-setup@v3
+        uses: pnpm/action-setup@v4
         with:
           version: latest
           run_install: true