chore(deps): update actions/checkout action to v6 (#3266)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: 🔧 Setup Bun
         uses: oven-sh/setup-bun@735343b667d3e6f658f44d0eca948eb6282f2b76 # v2

.github/workflows/color-check.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           sparse-checkout-cone-mode: false
           sparse-checkout: |

.github/workflows/icon-review.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout Fork
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}
@@ -31,7 +31,7 @@ jobs:
             icons/
 
       - name: 📥 Checkout Original
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
           path: main

.github/workflows/pr-title.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           # Only fetch the config file from the repository
           sparse-checkout-cone-mode: false

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           private-key: ${{ secrets.BOT_PRIVATE_KEY }}
 
       - name: 📥 Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           # Required for fetching tags and generating release notes
           fetch-depth: 0