Add upgrade

Author: steevanb

docker/parallel-processes/Dockerfile.alpine

@@ -13,6 +13,7 @@ ARG REPOSITORY_VERSION
 
 RUN \
     apk update \
+    && apk upgrade \
     && apk add --no-cache bash unzip \
     && docker-php-ext-install pcntl \
     && composer global require steevanb/php-parallel-processes:${REPOSITORY_VERSION} \

docker/parallel-processes/Dockerfile.buster

@@ -13,6 +13,7 @@ ARG REPOSITORY_VERSION
 
 RUN \
     apt-get update \
+    && apt-get upgrade -y \
     && apt-get install -y bash unzip \
     && docker-php-ext-install pcntl \
     && composer global require steevanb/php-parallel-processes:${REPOSITORY_VERSION} \