chore: add missing checkout steps

.github/workflows/snjs.pr.yml

@@ -25,6 +25,15 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.CI_PAT_TOKEN }}
+          fetch-depth: 0
+      - name: Set up Node
+        uses: actions/setup-node@v3
+        with:
+          registry-url: 'https://registry.npmjs.org'
+          node-version-file: '.nvmrc'
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build
@@ -37,6 +46,17 @@ jobs:
   build-docker:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.CI_PAT_TOKEN }}
+          fetch-depth: 0
+      - name: Set up Node
+        uses: actions/setup-node@v3
+        with:
+          registry-url: 'https://registry.npmjs.org'
+          node-version-file: '.nvmrc'
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build