Update actions/checkout to v6.0.2 in workflow files

Author: RyanMorash

.github/workflows/claude.yml

@@ -26,7 +26,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
         with:
           fetch-depth: 1
 

.github/workflows/lint.yml

@@ -16,10 +16,10 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@v6.0.2
 
       - name: Set up Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.13"
           cache: "pip"

.github/workflows/validate.yml

@@ -19,10 +19,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@v6.0.2
 
       - name: Run hassfest validation
-        uses: home-assistant/actions/hassfest@55b4a5d23e09d627c2773c2ef82afa98904d65b4 # master
+        uses: home-assistant/actions/hassfest@master
 
   hacs: # https://github.com/hacs/action
     name: HACS validation