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

Author: renovate[bot]

.github/workflows/build.yml

@@ -27,7 +27,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       # Validate wrapper
       - name: Gradle Wrapper Validation
@@ -123,7 +123,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       # Remove old release drafts by using the curl request for the available releases with draft flag
       - name: Remove Old Release Drafts

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
         with:
           ref: ${{ github.event.release.tag_name }}