build(deps): bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/compliance.yml

@@ -16,6 +16,6 @@ jobs:
         with:
           go-version: 1.x
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - run: .github/workflows/compliance/check-licenses.sh

.github/workflows/go.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v5
         with:
@@ -28,7 +28,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v5
         with:
@@ -41,7 +41,7 @@ jobs:
   vet:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v5
         with:
@@ -52,7 +52,7 @@ jobs:
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v5
         with:
@@ -67,7 +67,7 @@ jobs:
   modtidy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v5
         with:
@@ -89,7 +89,7 @@ jobs:
         go-version: 1.x
 
     - name: Checkout base commit
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: a
         ref: ${{ github.base_ref }}
@@ -98,7 +98,7 @@ jobs:
       working-directory: a
 
     - name: Checkout PR
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: b
     - name: Download dependencies of PR

.github/workflows/integration-tests.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Go
         uses: actions/setup-go@v5
         with:

.github/workflows/sql.yml

@@ -43,7 +43,7 @@ jobs:
           go-version: 1.x
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Download dependencies
         run: go get -v -t -d ./...