Bump actions/setup-python from 6.2.0 to 6.3.0

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>

Author: dependabot[bot]

.github/workflows/deploy-docs.yaml

@@ -45,7 +45,7 @@ jobs:
 
       # https://github.com/actions/setup-python
       - name: Set up Python
-        uses: actions/setup-python@v6.2.0
+        uses: actions/setup-python@v6.3.0
         with:
           python-version: 3.13
 

.github/workflows/excel_inbox.yaml

@@ -221,7 +221,7 @@ jobs:
           cache-dependency-glob: "uv.lock"
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6.2.0
+        uses: actions/setup-python@v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/main.yaml

@@ -46,7 +46,7 @@ jobs:
 
       # https://github.com/actions/setup-python
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6.2.0
+        uses: actions/setup-python@v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/test_pages_build.yaml

@@ -34,7 +34,7 @@ jobs:
 
       # https://github.com/actions/setup-python
       - name: Set up Python 3
-        uses: actions/setup-python@v6.2.0
+        uses: actions/setup-python@v6.3.0
         with:
           python-version: 3.13