chore(deps): update actions/checkout action to v6 (#287)

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

Author: renovate[bot]

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
         - name: "Checkout the repository"
-          uses: "actions/checkout@v5.0.1"
+          uses: "actions/checkout@v6.0.0"
 
         - name: "Set up Python"
           uses: actions/setup-python@v6.0.0

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
             suffix: ${{ steps.release.outputs.suffix }}
             tag_name: ${{ steps.release.outputs.tag_name }}
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
 
             - name: Extract tag and Details
               id: release
@@ -72,7 +72,7 @@ jobs:
         permissions:
             contents: write
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
 
             - name: Set version to manifest.json
               run: |

.github/workflows/validate.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
         - name: "Checkout the repository"
-          uses: "actions/checkout@v5.0.1"
+          uses: "actions/checkout@v6.0.0"
 
         - name: "Run hassfest validation"
           uses: "home-assistant/actions/hassfest@master"
@@ -27,7 +27,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
         - name: "Checkout the repository"
-          uses: "actions/checkout@v5.0.1"
+          uses: "actions/checkout@v6.0.0"
 
         - name: "Run HACS validation"
           uses: "hacs/action@main"