chore(deps): bump actions/setup-python from 4 to 6

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4...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]>

Author: dependabot[bot]

.github/workflows/ci_decrypt-oracle.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           # The oracle will run on a Python 3.9 Lamba
           python-version: 3.9
@@ -35,7 +35,7 @@ jobs:
           - pylint-tests
     steps:
         - uses: actions/checkout@v4
-        - uses: actions/setup-python@v4
+        - uses: actions/setup-python@v6
           with:
             python-version: 3.9
         - run: |

.github/workflows/ci_static-analysis.yaml

@@ -24,7 +24,7 @@ jobs:
           - isort-check
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.8
       - run: |

.github/workflows/ci_test-vector-handler.yaml

@@ -45,7 +45,7 @@ jobs:
           aws-secret-access-key: ${{ secrets.INTEG_AWS_SECRET_ACCESS_KEY }}
           aws-region: us-west-2
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python }}
           architecture: ${{ matrix.architecture }}
@@ -72,7 +72,7 @@ jobs:
           - pylint-tests
     steps:
         - uses: actions/checkout@v4
-        - uses: actions/setup-python@v4
+        - uses: actions/setup-python@v6
           with:
             python-version: 3.9
         - run: |

.github/workflows/ci_tests.yaml

@@ -71,7 +71,7 @@ jobs:
           git config --global core.longpaths true
 
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python }}
           architecture: ${{ matrix.architecture }}
@@ -92,7 +92,7 @@ jobs:
           - test-upstream-requirements-py311
     steps:
         - uses: actions/checkout@v4
-        - uses: actions/setup-python@v4
+        - uses: actions/setup-python@v6
           with:
             python-version: "3.11"
         - run: |