Bump actions/checkout from 3 to 4

.github/workflows/dockerhub-cleanup.yaml

@@ -25,7 +25,7 @@ jobs:
     steps:
       # Checks-out the repo under $GITHUB_WORKSPACE so we can access the delete script
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Run our script which calls the dockerhub API to delete the PR's tag
       - name: Delete DockerHub image tag

.github/workflows/doxygen.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🛎️
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Doxygen
         run: sudo apt-get install doxygen graphviz -y

.github/workflows/images.yaml

@@ -25,7 +25,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Setup docker buildx
       - name: 🐳 Set up docker buildx 🐳

.github/workflows/nubots.yaml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for NUbots Changes
         uses: dorny/paths-filter@v2
@@ -68,7 +68,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Setup docker buildx
       - name: 🐳 Set up docker buildx 🐳
@@ -124,7 +124,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Prepare Build Directory
         run: mkdir -p ../build
@@ -155,7 +155,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check formatting
         run: ./b format --check --all --verbose

.github/workflows/nusight.yaml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for NUsight Changes
         uses: dorny/paths-filter@v2
@@ -73,7 +73,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Get our yarn cache if it exists
       # See https://github.com/actions/cache/blob/master/examples.md#node---yarn
@@ -120,7 +120,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Get our yarn cache if it exists
       # See https://github.com/actions/cache/blob/master/examples.md#node---yarn
@@ -167,7 +167,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Get our yarn cache if it exists
       # See https://github.com/actions/cache/blob/master/examples.md#node---yarn