chore(workflow): run the build workflow on ubuntu 20.04

.github/workflows/build.yml

@@ -5,7 +5,7 @@ on:
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     strategy:
       matrix:
@@ -28,7 +28,7 @@ jobs:
         run: npm run lint-web
 
   build-api:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     strategy:
       matrix:
@@ -45,13 +45,6 @@ jobs:
         working-directory: ./api
         run: npm ci
 
-      # Ubuntu 22.04+ have moved to OpenSSL 3, so the older version isn't installed by default.
-      # this is required for unit tests
-      - name: Install OpenSSL 1.1
-        run: |
-          sudo apt update
-          sudo apt install -y libssl1.1 || sudo apt install -y libssl3
-
       - name: Run Unit Tests
         working-directory: ./api
         run: npm test
@@ -73,7 +66,7 @@ jobs:
           CI: true
 
   build-web:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     strategy:
       matrix: