build(deps): bump actions/setup-python from 5 to 6 (#5)

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

Author: dependabot[bot]

.github/workflows/abi.yml

@@ -68,7 +68,7 @@ jobs:
       working-directory: mpi-abi-stubs
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64
@@ -157,7 +157,7 @@ jobs:
       run:  mpichversion
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64

.github/workflows/impi.yml

@@ -75,7 +75,7 @@ jobs:
       run:  mpicc -show
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64

.github/workflows/mpich.yml

@@ -119,7 +119,7 @@ jobs:
       run:  mpicc -show
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64

.github/workflows/msmpi.yml

@@ -74,7 +74,7 @@ jobs:
       shell: bash
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64

.github/workflows/mvapich.yml

@@ -116,7 +116,7 @@ jobs:
       run:  mpicc -show
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64

.github/workflows/openmpi.yml

@@ -117,7 +117,7 @@ jobs:
       run:  mpicc -show
 
     - name: Use Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
         architecture: x64