[CI] Bump peter-evans/create-pull-request from 6.1.0 to 7.0.0 (#1606)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@c5a7806...4320041)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release-crate-version.yml

@@ -38,7 +38,7 @@ jobs:
           sed -i -e 's/^version = "[0-9a-zA-Z\.-]*"/version = "${{ github.event.inputs.version }}"/' Cargo.toml zerocopy-derive/Cargo.toml
 
       - name: Submit PR
-        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6.1.0
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7.0.0
         with:
           commit-message: "Release ${{ github.event.inputs.version }}"
           author: Google PR Creation Bot <github-pull-request-creation-bot@google.com>

.github/workflows/roll-pinned-toolchain-versions.yml

@@ -124,7 +124,7 @@ jobs:
           fi
 
       - name: Submit PR
-        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6.1.0
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7.0.0
         with:
           commit-message: "[ci] Roll pinned ${{ matrix.toolchain }} toolchain"
           author: Google PR Creation Bot <github-pull-request-creation-bot@google.com>
@@ -157,7 +157,7 @@ jobs:
           # Update the `kani-version:` argument in-place.
           sed -i -E -e "s/^( *kani-version:)( [0-9]+\.[0-9]+\.[0-9]+)/\1 $KANI_LATEST/" .github/workflows/ci.yml
       - name: Submit PR
-        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6.1.0
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7.0.0
         with:
           commit-message: "[ci] Roll pinned Kani version"
           author: Google PR Creation Bot <github-pull-request-creation-bot@google.com>