Remove arm/v7 container image support (#8194)

.github/workflows/ci-docker.yml

@@ -37,7 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [amd64, armv7, aarch64]
+        arch: [amd64, aarch64]
         build_type: ["ha-addon", "docker", "lint"]
     steps:
       - uses: actions/checkout@v4.1.7

.github/workflows/release.yml

@@ -80,7 +80,6 @@ jobs:
       matrix:
         platform:
           - linux/amd64
-          - linux/arm/v7
           - linux/arm64
     steps:
       - uses: actions/checkout@v4.1.7