Update actions/checkout action to v4 (#3125)

| datasource  | package          | from | to |
| ----------- | ---------------- | ---- | -- |
| github-tags | actions/checkout | v3   | v4 |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/githubpages.yaml

@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
     timeout-minutes: 90
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/pull_request.yml

@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -42,7 +42,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -69,7 +69,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -96,7 +96,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -123,7 +123,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -169,7 +169,7 @@ jobs:
       KOTLIN_OVERRIDE: 1.9.30-dev-1098
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -196,7 +196,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -228,7 +228,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -255,7 +255,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -281,7 +281,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0