reduce the number of tests run on GH

focus on modern servers, recent rubies

Author: jamis

.github/workflows/test.yml

@@ -10,40 +10,15 @@ jobs:
     env:
       CI: true
       TESTOPTS: "-v"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     continue-on-error: true
     strategy:
       fail-fast: false
       matrix:
         os: [ ubuntu-22.04 ]
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
-        mongodb: ["4.4", "5.0", "6.0", "7.0", "8.0"]
-        topology: [replica_set, sharded_cluster]
-        include:
-          - os: macos
-            ruby: "2.7"
-            mongodb: "7.0"
-            topology: server
-          - os: macos
-            ruby: "3.0"
-            mongodb: "7.0"
-            topology: server
-          - os: ubuntu-latest
-            ruby: "2.7"
-            mongodb: "7.0"
-            topology: server
-          - os: ubuntu-latest
-            ruby: "3.1"
-            mongodb: "7.0"
-            topology: server
-          - os: ubuntu-latest
-            ruby: "3.2"
-            mongodb: "7.0"
-            topology: server
-          - os: ubuntu-latest
-            ruby: "3.2"
-            mongodb: "8.0"
-            topology: replica_set
+        ruby: [ "3.2" ]
+        mongodb: [ "7.0", "8.0" ]
+        topology: [ replica_set, sharded_cluster ]
     steps:
     - name: repo checkout
       uses: actions/checkout@v2