chore(deps): update actions/checkout action to v6 (#3755)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/codeql.yml

@@ -59,7 +59,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5      
+      uses: actions/checkout@v6      
 
     # Add any setup steps before running the `github/codeql-action/init` action.
     # This includes steps like installing compilers or runtimes (`actions/setup-node`

.github/workflows/create-or-promote-release.yml

@@ -37,7 +37,7 @@ jobs:
       from_channel: ${{ steps.calculate_tags.outputs.from_channel }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/dependency-submission.yml

@@ -14,7 +14,7 @@ jobs:
     if: github.repository == 'meshtastic/Meshtastic-Android'
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           distribution: jetbrains

.github/workflows/docs.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           submodules: 'recursive'

.github/workflows/post-release-cleanup.yml

@@ -22,7 +22,7 @@ jobs:
     environment: Release
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/promote.yml

@@ -65,7 +65,7 @@ jobs:
       APP_VERSION_CODE: ${{ steps.calculate_version_code.outputs.versionCode }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.tag_name }}
           fetch-depth: 0
@@ -109,7 +109,7 @@ jobs:
     needs: [ prepare-build-info, promote-release ]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           submodules: 'recursive'

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
       APP_VERSION_CODE: ${{ steps.calculate_version_code.outputs.versionCode }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.tag_name }}
           fetch-depth: 0
@@ -96,7 +96,7 @@ jobs:
     environment: Release
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.tag_name }}
           fetch-depth: 0
@@ -173,7 +173,7 @@ jobs:
     environment: Release
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.tag_name }}
           fetch-depth: 0

.github/workflows/reusable-android-build.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           submodules: 'recursive'

.github/workflows/reusable-android-test.yml

@@ -28,7 +28,7 @@ jobs:
         api-level: ${{ fromJson(inputs.api_levels) }} # Use the input to define the matrix
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: 'recursive'
 

.github/workflows/scheduled-updates.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Update firmware releases list
         run: |