Bump the github-actions group across 1 directory with 2 updates

Bumps the github-actions group with 2 updates in the / directory: [actions/checkout](https://github.com/actions/checkout) and [mschilde/auto-label-merge-conflicts](https://github.com/mschilde/auto-label-merge-conflicts).


Updates `actions/checkout` from 6 to 7
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

Updates `mschilde/auto-label-merge-conflicts` from 591722e97f3c4142df3eca156ed0dcf2bcd362bd to 3fdaf1c8b3f8e5b0f88753d9cb3c9c779370b3ef
- [Release notes](https://github.com/mschilde/auto-label-merge-conflicts/releases)
- [Commits](mschilde/auto-label-merge-conflicts@591722e...3fdaf1c)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: mschilde/auto-label-merge-conflicts
  dependency-version: 3fdaf1c8b3f8e5b0f88753d9cb3c9c779370b3ef
  dependency-type: direct:production
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/ci_schema.yml

@@ -10,7 +10,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Install pkg
         run: pip install "check-jsonschema>=0.10"

.github/workflows/docker-builds.yml

@@ -33,7 +33,7 @@ jobs:
           - { ubuntu_version: "24.04", python_version: "3.13", opencv_version: "4.13.0", device: "gpu", cuda_version: "12.8.0" }
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       # https://github.com/docker/setup-buildx-action
       # Set up Docker Buildx - to use cache-from and cache-to argument of buildx command
       - uses: docker/setup-buildx-action@v4

.github/workflows/label-conflicts.yml

@@ -14,7 +14,7 @@ jobs:
   triage-conflicts:
     runs-on: ubuntu-latest
     steps:
-      - uses: mschilde/auto-label-merge-conflicts@591722e97f3c4142df3eca156ed0dcf2bcd362bd # Jul 20, 2023
+      - uses: mschilde/auto-label-merge-conflicts@3fdaf1c8b3f8e5b0f88753d9cb3c9c779370b3ef # Jul 20, 2023
         with:
           CONFLICT_LABEL_NAME: "has conflicts"
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}