Bump actions/setup-python from 2 to 4 (#14287)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 4.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v2...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/ci-app-cloud-e2e-test.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python 3.8
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.8"
 

.github/workflows/ci-pytorch-test-full.yml

@@ -59,7 +59,7 @@ jobs:
 
     - name: Set up Python ${{ matrix.python-version }}
       if: ${{ (steps.skip.outputs.continue == '1') }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 

.github/workflows/ci-pytorch-test-slow.yml

@@ -48,7 +48,7 @@ jobs:
             echo "::set-output name=continue::1"
         fi
 
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       if: ${{ (steps.skip.outputs.continue == '1') }}
       with:
         python-version: ${{ matrix.python-version }}