Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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/compile.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up buildx command
@@ -44,7 +44,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 100
           fetch-tags: true
@@ -79,7 +79,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 100
           fetch-tags: true
@@ -120,7 +120,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 100
           fetch-tags: true

.github/workflows/docker.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up emulation

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.version }}

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Build binary
@@ -57,7 +57,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Build binary
@@ -97,7 +97,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Build binary
@@ -118,7 +118,7 @@ jobs:
       upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Create release
@@ -147,7 +147,7 @@ jobs:
         - { os: 'darwin', arch: 'universal' }
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Download artifact
@@ -175,7 +175,7 @@ jobs:
         - { os: 'windows', arch: 'amd64' }
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Download artifact

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
           go-version: ${{ matrix.version }}
         id: go
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build binary
         run: make ghostunnel
       - name: Run tests
@@ -37,7 +37,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run tests 
         run: GO_VERSION=${{ matrix.version }} make docker-test
       - name: Codecov upload
@@ -72,7 +72,7 @@ jobs:
       - name: Install gocovmerge
         run: go install github.com/wadey/gocovmerge@latest
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run tests
         run: make test
       - name: Codecov upload