Bump actions/setup-python from 5.6.0 to 6.0.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.6.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@a26af69...e797f83)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/sync-cac-oscal.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       # Step 1: Set up Python 3
       - name: Set up Python 3
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: '3.9'
       # Step 2: Install Git

.github/workflows/update-oscal.yml

@@ -28,7 +28,7 @@ jobs:
             - name: Checkout
               uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
             - name: Install Python
-              uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+              uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
               with:
                   python-version: '3.9'
             - name: Install python deps