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/copyrights.yml

@@ -11,7 +11,7 @@ jobs:
     - name: Check
       run: |
         ./tools/check_copyrights.sh
-    - uses: peter-evans/create-pull-request@v6
+    - uses: peter-evans/create-pull-request@v7
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         branch: update-copyright-list-${{ github.ref_name }}

.github/workflows/generated-headers.yml

@@ -22,7 +22,7 @@ jobs:
         find ql -name *.am | xargs touch
         make dist
         rm QuantLib-*.tar.gz
-    - uses: peter-evans/create-pull-request@v6
+    - uses: peter-evans/create-pull-request@v7
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         branch: update-generated-headers-${{ github.ref_name }}

.github/workflows/misspell.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: sobolevn/misspell-fixer-action@master
-    - uses: peter-evans/create-pull-request@v6
+    - uses: peter-evans/create-pull-request@v7
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         branch: misspell-fixes-${{ github.ref_name }}

.github/workflows/namespaces.yml

@@ -20,7 +20,7 @@ jobs:
         sed -i -e 's/ext::make_tuple\b/std::make_tuple/g' **/*.[hc]pp
         sed -i -e 's/ext::get\b/std::get/g' **/*.[hc]pp
         sed -i -e 's/ext::tie\b/std::tie/g' **/*.[hc]pp
-    - uses: peter-evans/create-pull-request@v6
+    - uses: peter-evans/create-pull-request@v7
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         branch: fix-ext-namespace-${{ github.ref_name }}

.github/workflows/tidy.yml

@@ -17,7 +17,7 @@ jobs:
         cmake --preset linux-ci-build-with-clang-tidy
         cd build/linux-ci-build-with-clang-tidy
         cmake --build . -j1
-    - uses: peter-evans/create-pull-request@v6
+    - uses: peter-evans/create-pull-request@v7
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         branch: clang-tidy-fixes-${{ github.ref_name }}