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](actions/checkout@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/build-release-vpnc-deployer.yml

@@ -52,7 +52,7 @@ jobs:
       version: ${{ steps.context.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.BEEIO_CI_TOKEN }}
 
@@ -91,7 +91,7 @@ jobs:
           -v /home/runner:/var/lib/registry
           --name registry
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Inject brand
         run: |

.github/workflows/build-release-vpnc.yml

@@ -55,7 +55,7 @@ jobs:
       version: ${{ steps.context.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.BEEIO_CI_TOKEN }}
 
@@ -94,7 +94,7 @@ jobs:
           -v /home/runner:/var/lib/registry
           --name registry
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Inject Hash version
         run: |

.github/workflows/build-release-vpnddns.yml

@@ -58,7 +58,7 @@ jobs:
       version: ${{ steps.context.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.BEEIO_CI_TOKEN }}
 
@@ -97,7 +97,7 @@ jobs:
           -v /home/runner:/var/lib/registry
           --name registry
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Inject Hash version
         run: |

.github/workflows/build-release-vpnmanager.yml

@@ -48,7 +48,7 @@ jobs:
       semanticVersion: ${{ steps.semantic.outputs.semanticVersion }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.BEEIO_CI_TOKEN }}
 
@@ -83,7 +83,7 @@ jobs:
     needs: context
     if: needs.context.outputs.shouldBuild == 'true'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Import GPG key
         id: import_gpg
@@ -141,7 +141,7 @@ jobs:
     needs: context
     if: needs.context.outputs.shouldBuild == 'true'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -194,7 +194,7 @@ jobs:
     needs: [ build, context ]
     if: needs.context.outputs.isRelease == 'true'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - run: |
           ./gradlew closeAndReleaseRepository \
                             -Pnexus.username=${{ secrets.OSS_NEXUS_USER }} \