Fix rpi build (removes armv6)

Author: jstabenow

.github/workflows/build_bundle-rpi.yaml

@@ -62,7 +62,7 @@ jobs:
                   build-args: |
                       CORE_IMAGE=datarhei/base:${{ env.OS_NAME }}-core-${{ env.OS_VERSION }}-${{ env.CORE_VERSION }}
                       FFMPEG_IMAGE=datarhei/base:${{ env.OS_NAME }}-ffmpeg-rpi-${{ env.OS_VERSION }}-${{ env.FFMPEG_VERSION }}
-                  platforms: linux/arm/v7,linux/arm/v6,linux/arm64
+                  platforms: linux/arm/v7,linux/arm64
                   push: true
                   tags: |
                       datarhei/core:rpi-${{ env.CORE_VERSION }}