CI: Update Setup-Python v5 (#448)

See https://github.com/actions/setup-python/releases

Author: ax3l

.github/workflows/stubs.yml

@@ -36,7 +36,7 @@ jobs:
       if: github.event_name == 'push' && github.repository == 'AMReX-Codes/pyamrex' && github.ref == 'refs/heads/development'
       run: git pull
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       name: Install Python
       with:
         python-version: '3.9'

.github/workflows/ubuntu.yml

@@ -17,7 +17,7 @@ jobs:
       CXXFLAGS: "-Werror -Wshadow -Woverloaded-virtual -Wunreachable-code -fno-operator-names -Wno-array-bounds"
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       name: Install Python
       with:
         python-version: '3.9'

.github/workflows/windows.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
     - name: Build & Install
@@ -40,10 +40,9 @@ jobs:
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
-    - uses: seanmiddleditch/gha-setup-ninja@master
     - name: Build
       run: |
         python3 -m pip install -U pip setuptools[core] wheel pytest