chore(deps): bump the all group across 1 directory with 2 updates

Bumps the all group with 2 updates in the / directory: [actions/checkout](https://github.com/actions/checkout) and [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

Updates `peter-evans/create-pull-request` from 7 to 8
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v7...v8)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
- dependency-name: peter-evans/create-pull-request
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v5"
+        uses: "actions/checkout@v6"
         with:
           fetch-depth: 0
 

.github/workflows/update.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v5"
+        uses: "actions/checkout@v6"
 
       - name: "Install flox"
         uses: "flox/install-flox-action@main"
@@ -26,7 +26,7 @@ jobs:
         run: "flox -vvv upgrade"
 
       - name: "Create Pull Request"
-        uses: "peter-evans/create-pull-request@v7"
+        uses: "peter-evans/create-pull-request@v8"
         with:
           token: "${{ secrets.MANAGED_FLOXBOT_GITHUB_ACCESS_TOKEN_REPO_SCOPE }}"
           add-paths: ".flox"