add missing ref, update to v4

Author: DaltheCow

.github/workflows/development.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
@@ -97,7 +97,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
@@ -131,7 +131,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
       - name: Install dependencies
         run: npm ci
@@ -163,7 +165,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: "${{ github.event.pull_request.merge_commit_sha }}"