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]>

Author: dependabot[bot]

.github/workflows/integration_tests.yml

@@ -45,7 +45,7 @@ jobs:
           **/go.mod
 
     - name: Set up Python 3.x
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.x'
 

.github/workflows/unit_tests.yml

@@ -40,7 +40,7 @@ jobs:
           **/go.mod
 
     - name: Set up Python 3.x
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.x'
 
@@ -87,7 +87,7 @@ jobs:
           **/go.mod
 
     - name: Set up Python 3.x
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.x'