Switch to mode=min for GHA cache for docker buildx to prevent ratelimiting in GHA workflow

.github/workflows/build_test_deploy.yml

@@ -135,7 +135,7 @@ jobs:
           push: false
           set: |
             *.cache-from=type=gha,scope=build-${{ matrix.target }}
-            *.cache-to=type=gha,scope=build-${{ matrix.target }},mode=max
+            *.cache-to=type=gha,scope=build-${{ matrix.target }},mode=min
             *.platform=${{ inputs.architecture }}
 
 # This job runs all the tests.

webmails/roundcube/Dockerfile

@@ -1,4 +1,3 @@
-# NOTE: only add qemu-arm-static if building for arm
 FROM php:8.0-apache
 
 ARG VERSION