build(deps): bump peter-evans/create-pull-request from 7 to 8

Bumps [peter-evans/create-pull-request](https://github.com/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: peter-evans/create-pull-request
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/docker-build-and-test.yml

@@ -355,7 +355,7 @@ jobs:
           mv "../${{ steps.tar-filename-tools.outputs.TAR_FILENAME }}" "coreboot/${{ steps.version.outputs.COREBOOT_VERSION }}/"
           mv "../${{ steps.tar-filename-tools.outputs.TAR_FILENAME }}.sha256" "coreboot/${{ steps.version.outputs.COREBOOT_VERSION }}/"
       - name: Create pull request in firmware-action-toolchains repository
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         if: steps.toolchains-exist.outputs.EXIST == 'false' || steps.tools-exist.outputs.EXIST == 'false'
         with:
           path: 'firmware-action-toolchains'

.github/workflows/release-prepare.yml

@@ -47,7 +47,7 @@ jobs:
 
       - name: Create pull request
         id: create_pr
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           branch: release/${{ steps.semver.outputs.next }}