Bump actions/setup-python from 5 to 6 (#51)

* Bump actions/setup-python from 5 to 6

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

* group dependabot updates into 1 PR

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brendan <[email protected]>

Author: dependabot[bot]

.github/dependabot.yml

@@ -10,4 +10,8 @@ updates:
     # default location of `.github/workflows`
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"

.github/workflows/cpp-lint-package.yml

@@ -25,7 +25,7 @@ jobs:
         with:
           submodules: true
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x