upgrade github actions, pin ubuntu version (as recommended in actions/setup-python issue

Author: ultrasaurus

.github/workflows/build.yml

@@ -11,11 +11,11 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.7
-      uses: actions/setup-python@v2
+      uses: setup-python@v5
       with:
         python-version: 3.7
     - name: Install dependencies