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

Author: renovate[bot]

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 100
 

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       TURBO_TEAM: ${{ secrets.TURBO_TEAM }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Environment
         uses: jdx/mise-action@v3