chore(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/dev_builds.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up QEMU
         uses: docker/[email protected]

.github/workflows/pull_requests.yml

@@ -9,7 +9,7 @@ jobs:
   test-fluent-plugin-datapoint:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -21,7 +21,7 @@ jobs:
   test-fluent-plugin-enhance-k8s-metadata:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -33,7 +33,7 @@ jobs:
   test-fluent-plugin-events:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -45,7 +45,7 @@ jobs:
   test-fluent-plugin-kubernetes-metadata-filter:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -57,7 +57,7 @@ jobs:
   test-fluent-plugin-kubernetes-sumologic:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -69,7 +69,7 @@ jobs:
   test-fluent-plugin-prometheus-format:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -81,7 +81,7 @@ jobs:
   test-fluent-plugin-protobuf:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           ruby-version: '3.1'
@@ -93,7 +93,7 @@ jobs:
   image-test-debian:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build Debian image
         run: make build
       - name: Test Debian image
@@ -102,7 +102,7 @@ jobs:
   image-test-alpine:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build Alpine image
         run: make build-alpine
       - name: Test Alpine image

.github/workflows/release_builds.yml

@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Extract tag
         id: extract_tag