Merge pull request #64 from TimWolla/haproxy-3.0

Test on HAProxy 3.0

Author: TimWolla

.github/workflows/test.yml

@@ -48,6 +48,7 @@ jobs:
         - "2.7"
         - "2.8"
         - "2.9"
+        - "3.0"
       fail-fast: false
     steps:
     - name: Install HAProxy ${{ matrix.haproxy-versions }}.