CI: Bump actions/checkout from 4 to 5

.github/workflows/codeql-analysis.yml

@@ -44,7 +44,7 @@ jobs:
 
     steps:
     - name: Checkout repository from github
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/coverity.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Checkout repository from github
         if: env.TOKEN
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Download Coverity
         if: env.TOKEN

.github/workflows/link-check.yml

@@ -8,7 +8,7 @@ jobs:
   lychee:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Run Lychee
         uses: lycheeverse/lychee-action@v2
         with:

.github/workflows/macvim-buildtest.yaml

@@ -64,7 +64,7 @@ jobs:
     runs-on: ${{ inputs.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up legacy build
         if: inputs.legacy