Update GitHub test workflow and Prettier configuration

Refined the actions in the GitHub test workflow, giving explicit names to certain steps for clarity. Additionally, modified the Prettier configuration to skip the `pnpm-lock.yaml` file to prevent unnecessary formatting actions and facilitate smoother workflow execution.

.github/workflows/tests.yml

@@ -8,10 +8,12 @@ on:
 
 jobs:
   lints:
+    name: Lints
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v3
         with:
           version: 8
       - uses: actions/setup-node@v4
@@ -22,14 +24,18 @@ jobs:
       - name: Prettier check
         run: pnpm test:prettier
   test:
+    name: Unit tests
     needs: lints
     runs-on: ubuntu-latest
     strategy:
       matrix:
         node: [18, 20, 21]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 8
       - name: Set up Node.js ${{matrix.node}}
         uses: actions/setup-node@v4
         with: