Merge pull request #36 from TimWolla/haproxy-2.5

Test on HAProxy 2.5

Author: TimWolla

.github/workflows/test.yml

@@ -43,6 +43,7 @@ jobs:
         - "2.2"
         - "2.3"
         - "2.4"
+        - "2.5"
       fail-fast: false
     steps:
     - name: Install HAProxy ${{ matrix.haproxy-versions }}.