chore(deps): bump actions/checkout from 1 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 1 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v1...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/auto-build-rpm.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - uses: docker/setup-buildx-action@v1
 

.github/workflows/backend-cli-test.yml

@@ -28,7 +28,7 @@ jobs:
           ALLOW_NONE_AUTHENTICATION: yes
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/backend-e2e-test.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
 
       - name: setup go
         uses: actions/setup-go@v2.1.4
@@ -140,7 +140,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
 
       - name: setup go
         uses: actions/setup-go@v2.1.4

.github/workflows/backend-unit-test.yml

@@ -26,7 +26,7 @@ jobs:
           ALLOW_NONE_AUTHENTICATION: yes
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
 
       - name: setup go
         uses: actions/setup-go@v2.1.4

.github/workflows/codeql-analysis.yml

@@ -40,7 +40,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL

.github/workflows/deploy-with-docker.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/frontend-e2e-test.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/frontend-plugin-e2e-test.yml

@@ -35,7 +35,7 @@ jobs:
           ALLOW_NONE_AUTHENTICATION: yes
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/gitleaks.yml

@@ -18,7 +18,7 @@ jobs:
   gitleaks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           fetch-depth: '1'
           submodules: recursive

.github/workflows/go-lint.yml

@@ -17,7 +17,7 @@ jobs:
     needs: go-filter
     if: needs.go-filter.outputs.matches == 'true'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
 
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2
@@ -29,7 +29,7 @@ jobs:
   gofmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - name: setup go
         uses: actions/setup-go@v2.1.4
         with: