Bump peter-evans/create-pull-request from 6 to 7

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v6...v7)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/prep-release.yml

@@ -37,7 +37,7 @@ jobs:
         id: newversion
         run: python tools/release.py -u "${{ steps.changes.outputs.last-tag }}"
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           commit-message: Updated version in package.json to latest
           branch: update-version-in-package-json

.github/workflows/update-docker.yml

@@ -27,7 +27,7 @@ jobs:
     - name: Build the Docker image
       run: docker build -t "webperf-core:latest" .
     - name: Create pull request
-      uses: peter-evans/create-pull-request@v6
+      uses: peter-evans/create-pull-request@v7
       with:
         commit-message: Updating Dockerfile with latest browsers
         branch: dockerfile-latest-browsers

.github/workflows/update-software.yml

@@ -57,7 +57,7 @@ jobs:
     - name: Verifing Software(s)
       run: python update_software.py -d ${{ secrets.GITHUB_TOKEN }}
     - name: Create pull request
-      uses: peter-evans/create-pull-request@v6
+      uses: peter-evans/create-pull-request@v7
       with:
         commit-message: Update software and license definitions
         branch: software-definition-updates