update baseimages

Dockerfile

@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:3.12 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:3.12 as buildstage
 ############## build stage ##############
 
 # package versions
@@ -221,7 +221,7 @@ RUN \
  make DESTDIR=/tmp/comskip-build install
 
 ############## runtime stage ##############
-FROM lsiobase/alpine:3.12
+FROM ghcr.io/linuxserver/baseimage-alpine:3.12
 
 # set version label
 ARG BUILD_DATE

Dockerfile.aarch64

@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:arm64v8-3.12 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.12 as buildstage
 ############## build stage ##############
 
 # package versions
@@ -219,7 +219,7 @@ RUN \
  make DESTDIR=/tmp/comskip-build install
 
 ############## runtime stage ##############
-FROM lsiobase/alpine:arm64v8-3.12
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.12
 
 # set version label
 ARG BUILD_DATE

Dockerfile.armhf

@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:arm32v7-3.12 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.12 as buildstage
 ############## build stage ##############
 
 # package versions
@@ -219,7 +219,7 @@ RUN \
  make DESTDIR=/tmp/comskip-build install
 
 ############## runtime stage ##############
-FROM lsiobase/alpine:arm32v7-3.12
+FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.12
 
 # set version label
 ARG BUILD_DATE