ci: Rename build job to include OS version

.github/azure-workflows/main.yml

@@ -11,7 +11,7 @@ pr:
 
 jobs:
   - job: build_and_test_base
-    displayName: "Build & Test MacPorts Base"
+    displayName: "macOS-10.14"
     timeoutInMinutes: 0
     pool:
       vmImage: 'macOS-10.14'

.github/workflows/main.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    name: "Build & Test MacPorts Base"
+    name: ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix: