Feat: Parametrized the caddy-fs-s3 version pinning, for easier version bumps down the line

Author: delly-bud

docker/web/Dockerfile

@@ -1,9 +1,10 @@
 ARG CADDY_VERSION="2.10.0"
+ARG CADDY_FS_S3_VERSION=v0.10.0
 
 FROM caddy:$CADDY_VERSION-builder-alpine AS builder
 
 RUN xcaddy build \
-    --with github.com/sagikazarmark/caddy-fs-s3
+    --with github.com/sagikazarmark/caddy-fs-s3@${CADDY_FS_S3_VERSION}
 
 FROM caddy:$CADDY_VERSION-alpine