CI: Bump actions/checkout from 6.0.2 to 6.0.3

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v6.0.2...v6.0.3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci-image.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
 
@@ -79,7 +79,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
 
       - name: Prepare Docker context
         shell: bash

.github/workflows/dev-container.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v4

.github/workflows/flatpak-template.yml

@@ -19,7 +19,7 @@ jobs:
       options: --privileged
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
         with:
           bundle: Ladybird.flatpak

.github/workflows/js-and-wasm-artifacts.yml

@@ -49,7 +49,7 @@ jobs:
 
     steps:
       - name: Checkout LadybirdBrowser/ladybird
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           ref: ${{ inputs.reference_to_build }}
 

.github/workflows/js-and-wasm-benchmarks.yml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: 'Checkout LadybirdBrowser/js-benchmarks'
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           repository: LadybirdBrowser/js-benchmarks
           path: js-benchmarks

.github/workflows/lagom-template.yml

@@ -49,10 +49,10 @@ jobs:
       # Pull requests can trail behind `master` and can cause breakage if merging before running the CI checks on an updated branch.
       # Luckily, GitHub creates and maintains a merge branch that is updated whenever the target or source branch is modified. By
       # checking this branch out, we gain a stabler `master` at the cost of reproducibility.
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         if: ${{ github.event_name != 'pull_request' }}
 
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         if: ${{ github.event_name == 'pull_request' }}
         with:
           ref: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/libjs-test262.yml

@@ -23,30 +23,30 @@ jobs:
 
     steps:
       - name: Checkout LadybirdBrowser/ladybird
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           persist-credentials: false
 
       - name: Checkout LadybirdBrowser/libjs-test262
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           repository: LadybirdBrowser/libjs-test262
           path: libjs-test262
 
       - name: Checkout LadybirdBrowser/libjs-data
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           repository: LadybirdBrowser/libjs-data
           path: libjs-data
 
       - name: Checkout tc39/test262
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           repository: tc39/test262
           path: test262
 
       - name: Checkout tc39/test262-parser-tests
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           repository: tc39/test262-parser-tests
           path: test262-parser-tests

.github/workflows/lint-code.yml

@@ -13,7 +13,7 @@ jobs:
       image: ghcr.io/ladybirdbrowser/ladybird-ci:2026.05.25
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
 
       - name: Set Up Environment
         uses: ./.github/actions/setup

.github/workflows/nightly-android.yml

@@ -27,7 +27,7 @@ jobs:
         os: [macos-14]
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
 
       - name: Set Up Environment
         id: 'setup'

.github/workflows/notes-push.yml

@@ -14,7 +14,7 @@ jobs:
     if: github.repository == 'LadybirdBrowser/ladybird'
     runs-on: blacksmith-2vcpu-ubuntu-2404
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
       - uses: fregante/setup-git-user@v2

.github/workflows/web-benchmarks.yml

@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: 'Checkout ladybird'
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           ref: ${{ github.sha }}
 
@@ -47,7 +47,7 @@ jobs:
           echo "sha=${{ github.sha }}" >> "${GITHUB_OUTPUT}"
 
       - name: 'Checkout LadybirdBrowser/web-benchmarks'
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           repository: LadybirdBrowser/web-benchmarks
           path: web-benchmarks