chore(deps): bump actions/setup-python from 2 to 4.2.0 (#491)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 4.2.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...v4.2.0)

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

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

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

Author: dependabot[bot]

.github/workflows/ci_decrypt-oracle.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
         with:
           # The oracle runs in a Python 3.6 Lamba
           python-version: 3.6
@@ -39,7 +39,7 @@ jobs:
           - pylint-tests
     steps:
         - uses: actions/checkout@v3
-        - uses: actions/setup-python@v1
+        - uses: actions/setup-python@v4
           with:
             python-version: 3.8
         - run: |

.github/workflows/ci_static-analysis.yaml

@@ -28,7 +28,7 @@ jobs:
           - isort-check
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
         with:
           python-version: 3.8
       - run: |

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

@@ -46,7 +46,7 @@ jobs:
           aws-secret-access-key: ${{ secrets.INTEG_AWS_SECRET_ACCESS_KEY }}
           aws-region: us-west-2
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
           architecture: ${{ matrix.architecture }}
@@ -73,7 +73,7 @@ jobs:
           - pylint-tests
     steps:
         - uses: actions/checkout@v3
-        - uses: actions/setup-python@v1
+        - uses: actions/setup-python@v4
           with:
             python-version: 3.8
         - run: |

.github/workflows/ci_tests.yaml

@@ -51,7 +51,7 @@ jobs:
             architecture: x86
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
           architecture: ${{ matrix.architecture }}
@@ -72,7 +72,7 @@ jobs:
           - test-upstream-requirements-py37
     steps:
         - uses: actions/checkout@v3
-        - uses: actions/setup-python@v1
+        - uses: actions/setup-python@v4
           with:
             python-version: 3.7
         - run: |