Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/prettier-md.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
 

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     name: create release draft
     steps:
-      - uses: actions/checkout@v3.2.0
+      - uses: actions/checkout@v4.1.1
         with:
           fetch-depth: 0
 
@@ -54,7 +54,7 @@ jobs:
 
       # do a second checkout to prevent race situation
       # changelog gets updated but action works on old commit id
-      - uses: actions/checkout@v3.2.0
+      - uses: actions/checkout@v4.1.1
         with:
           ref: main
 

.github/workflows/terraform.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
     # Important: This sets up your GITHUB_WORKSPACE environment variable
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: hashicorp/setup-terraform@v2
 
     - name: fmt