BUILD/MAJOR: remove support for linux/386 images

Author: oktalz

.github/workflows/docker_auto_release.yml

@@ -7,7 +7,7 @@ jobs:
   main:
     runs-on: ubuntu-latest
     env:
-      DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386
+      DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
       DOCKER_IMAGE: haproxytech/kubernetes-ingress
       LATEST_BRANCH: "1.9"
     steps:

.github/workflows/docker_manual_release.yml

@@ -5,7 +5,7 @@ jobs:
   main:
     runs-on: ubuntu-latest
     env:
-      DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386
+      DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
       DOCKER_IMAGE: haproxytech/kubernetes-ingress
       LATEST_BRANCH: "1.9"
     steps:

.github/workflows/docker_nightly.yml

@@ -10,7 +10,7 @@ jobs:
     if: ${{ github.repository_owner == 'haproxytech' }}
     runs-on: ubuntu-latest
     env:
-      DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386
+      DOCKER_PLATFORMS: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
       DOCKER_IMAGE: haproxytech/kubernetes-ingress
     steps:
       - name: Login to Docker Hub