build(deps): bump peter-evans/create-pull-request from 7 to 8 (#4360)

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

Author: dependabot[bot]

.github/workflows/open-pr-on-changes.yaml

@@ -114,7 +114,7 @@ jobs:
           PROJECT_DIR: ${{ matrix.buildenv.projectdir }}
       - name: Create or update Pull Request
         if: steps.checknewupstream.outputs.modified == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           commit-message: New upstream snapshot for ${{ matrix.buildenv.project }}
           title: Auto update new upstream snapshot for ${{ matrix.buildenv.project }}

.github/workflows/open-pr-on-icons-changes.yaml

@@ -200,7 +200,7 @@ jobs:
           PROJECT_DIR: ${{ matrix.buildenv.projectdir }}
       - name: Create or update Pull Request
         if: steps.checknewupstream.outputs.modified == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           commit-message: New upstream symbolic icons list for ${{ matrix.buildenv.project }}
           title: Auto update new upstream symbolic icons list for ${{ matrix.buildenv.project }}

.github/workflows/open-pr-on-optimized-symbolic-icons-changes.yaml

@@ -66,7 +66,7 @@ jobs:
 
       - name: Create or update Pull Request
         if: steps.check_optimization_changes.outputs.modified == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           commit-message: "icons: Optimize symbolic icons"
           title: Auto optimized symbolic icons updates

.github/workflows/open-pr-on-rendered-icons-changed.yaml

@@ -122,7 +122,7 @@ jobs:
 
       - name: Create or update Pull Request
         if: steps.check-rendering.outputs.changed == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           commit-message: "icons: Update rendered icons and symlinks"
           title: Auto rendered icons updates