🔧 Update Dockerfiles across all Alpine versions 🔧

- Modified main Dockerfile and edge variant
- Updated version-specific Dockerfiles for Alpine 3.14 through 3.23
- Applied consistent changes across all supported Alpine releases

Dockerfile
Dockerfile.3.14
Dockerfile.3.15
Dockerfile.3.16
Dockerfile.3.17
Dockerfile.3.18
Dockerfile.3.19
Dockerfile.3.20
Dockerfile.3.21
Dockerfile.3.22
Dockerfile.3.23
Dockerfile.edge

Dockerfile.3.23

@@ -63,7 +63,7 @@ COPY ./rootfs/. /
 
 RUN set -e; \
   echo 'Installing packages' && \
-  apk update && apk add --no-cache ${PACK_LIST}
+  apk update && apk upgrade --no-cache && apk add --no-cache ${PACK_LIST}
 
 RUN set -e; \
   echo 'Running initial scripts' && \