Bump the actions group with 3 updates

Bumps the actions group with 3 updates: [actions/checkout](https://github.com/actions/checkout), [peter-evans/repository-dispatch](https://github.com/peter-evans/repository-dispatch) and [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv).


Updates `actions/checkout` from 4 to 7
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v4...v7)

Updates `peter-evans/repository-dispatch` from 3 to 4
- [Release notes](https://github.com/peter-evans/repository-dispatch/releases)
- [Commits](peter-evans/repository-dispatch@v3...v4)

Updates `astral-sh/setup-uv` from 5 to 7
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v5...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: peter-evans/repository-dispatch
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: astral-sh/setup-uv
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/notify-site.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Trigger Website Workflow
-        uses: peter-evans/repository-dispatch@v3
+        uses: peter-evans/repository-dispatch@v4
         if: env.SYNC_TOKEN != ''
         with:
           token: ${{ secrets.WEBSITE_SYNC_TOKEN }}

.github/workflows/validate.yml

@@ -23,10 +23,10 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true