chore(deps): 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] <support@github.com>

.github/workflows/subxt-diff.yml

@@ -125,7 +125,7 @@ jobs:
           name: runtime-diff-moonriver-${{ github.event.inputs.spec_version }}
           path: runtime-diffs/moonriver
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           base: master
           branch: "runtime-diff-${{ github.event.inputs.spec_version }}"

.github/workflows/upgrade-typescript-api.yml

@@ -45,7 +45,7 @@ jobs:
           cd typescript-api
           ./scripts/runtime-upgrade.sh ${{ github.event.inputs.spec_version }}
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           base: master
           branch: "typescript-api-${{ github.event.inputs.spec_version }}"