🌱 Bump actions/setup-python from 6.2.0 to 6.3.0 (#2809)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 6.2.0 to 6.3.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v6.2.0...v6.3.0)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 6.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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/pages.yaml

@@ -32,7 +32,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7.0.0
 
-      - uses: actions/setup-python@v6.2.0
+      - uses: actions/setup-python@v6.3.0
         with:
           python-version: 3.x
           cache: pip

.github/workflows/update-demos.yaml

@@ -32,7 +32,7 @@ jobs:
       - uses: actions/setup-go@v6.5.0
         with:
           go-version-file: "go.mod"
-      - uses: actions/setup-python@v6.2.0
+      - uses: actions/setup-python@v6.3.0
         with:
           python-version: 3.x
           cache: pip