BUILD/MINOR: ci: Tag 1.7 branch as latest

Author: dkorunic

.github/workflows/docker_auto_release.yml

@@ -9,7 +9,7 @@ jobs:
     env:
       DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386
       DOCKER_IMAGE: haproxytech/kubernetes-ingress
-      STABLE_BRANCH: "1.6"
+      STABLE_BRANCH: "1.7"
     steps:
       - name: Login to Docker Hub
         id: login

.github/workflows/docker_manual_release.yml

@@ -7,7 +7,7 @@ jobs:
     env:
       DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386
       DOCKER_IMAGE: haproxytech/kubernetes-ingress
-      STABLE_BRANCH: "1.6"
+      STABLE_BRANCH: "1.7"
     steps:
       - name: Login to Docker Hub
         id: login