drop windows, and older php

Author: TomK

.github/workflows/unit-test.yml

@@ -11,8 +11,8 @@ jobs:
   unit-test:
     strategy:
       matrix:
-        os: [ ubuntu-latest, windows-latest ]
-        php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
+        os: [ 'ubuntu-latest' ]
+        php: [ '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
         rabbit: [ '3.10', '3.11', '3.12', '3.13', '4.0', '4.1', '4.2' ]
 
     runs-on: ${{matrix.os}}