upgrade github actions to newer os versions

- macos: 11, 12 → 14, 15
- ubuntu: 20.04 → 24.04, add 22.04
- windows: 2019 → 2025, keep 2022
- update pre-commit to ubuntu-24.04

Author: h-g-s

.github/workflows/github-ci.yml

@@ -6,7 +6,7 @@ jobs:
 
   pre-commit:
 
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
 
@@ -40,12 +40,12 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "pypy3.9-v7.3.15"]
-        os: [macos-11, macos-12, ubuntu-20.04, ubuntu-22.04, windows-2019, windows-2022]
+        os: [macos-14, macos-15, ubuntu-22.04, ubuntu-24.04, windows-2025, windows-2022]
         exclude:
           # temporarily exclude pypy3 on mac-os as there failing tests caused by bug on cbc side
-          - os: macos-11
+          - os: macos-14
             python-version: "pypy3.9-v7.3.15"
-          - os: macos-12
+          - os: macos-15
             python-version: "pypy3.9-v7.3.15"
 
     steps:
@@ -81,7 +81,7 @@ jobs:
       run: python -m pip install .[gurobi]
 
     - name: Install highs
-      if: ${{ !contains(matrix.os, 'windows') && !(matrix.os == 'ubuntu-22.04' && matrix.python-version == '3.9') }}
+      if: ${{ !contains(matrix.os, 'windows') && !(contains(matrix.os, 'ubuntu') && matrix.python-version == '3.9') }}
       run: python -m pip install .[highs]
 
     - name: list installed packages