Update Github build test versions

Author: uzlonewolf

.github/workflows/contrib.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   tests:
     name: "Python ${{ matrix.python-version }}"
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-24.04"
     env:
       USING_COVERAGE: '3.6,3.8'
 
@@ -17,8 +17,8 @@ jobs:
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
-      - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/checkout@v3"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "${{ matrix.python-version }}"
       - name: "Install dependencies"

.github/workflows/test.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   tests:
     name: "Python ${{ matrix.python-version }}"
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-24.04"
     env:
       USING_COVERAGE: '3.6,3.8'