Add HAProxy 2.6 version

Author: snorwin

.github/workflows/publish.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        tag: [latest, alpine, 2.5, 2.5-alpine, 2.5.5, 2.5.5-alpine]
+        tag: [latest, alpine, 2.5, 2.5-alpine, 2.5.5, 2.5.5-alpine, 2.6, 2.6-alpine, 2.6.2, 2.6.2-alpine]
     steps:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
@@ -37,4 +37,4 @@ jobs:
           platforms: linux/amd64
           build-args: |
             VERSION=${{ github.event.release.tag_name }}
-            HASH=${{ github.sha }}
+            HASH=${{ github.sha }}