Bump actions/setup-python from 6 to 7

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 6 to 7.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v6...v7)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           enable-cache: true
           cache-dependency-glob: uv.lock
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: 3.14
           allow-prereleases: true

.github/workflows/directory_writer.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v7
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: 3.14
           allow-prereleases: true

.github/workflows/project_euler.yml

@@ -23,7 +23,7 @@ jobs:
           libopenblas-dev
       - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: 3.14
           allow-prereleases: true
@@ -41,7 +41,7 @@ jobs:
           libopenblas-dev
       - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: 3.14
           allow-prereleases: true

.github/workflows/sphinx.yml

@@ -34,7 +34,7 @@ jobs:
           libopenblas-dev
       - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: 3.14
           allow-prereleases: true