Update Caddy to 0.11.5 and point to new caddyserver github repo

Signed-off-by: Marios Andreopoulos <opensource@andmarios.com>

Author: andmarios

Dockerfile

@@ -368,7 +368,7 @@ WORKDIR /
 ARG CHECKPORT_URL="https://gitlab.com/andmarios/checkport/uploads/3903dcaeae16cd2d6156213d22f23509/checkport"
 ARG QUICKCERT_URL="https://github.com/andmarios/quickcert/releases/download/1.0/quickcert-1.0-linux-amd64-alpine"
 ARG GLIBC_INST_VERSION="2.27-r0"
-ARG CADDY_URL=https://github.com/mholt/caddy/releases/download/v0.10.10/caddy_v0.10.10_linux_amd64.tar.gz
+ARG CADDY_URL=https://github.com/caddyserver/caddy/releases/download/v0.11.5/caddy_v0.11.5_linux_amd64.tar.gz
 RUN wget "$CHECKPORT_URL" -O /usr/local/bin/checkport \
     && wget "$QUICKCERT_URL" -O /usr/local/bin/quickcert \
     && chmod 0755 /usr/local/bin/quickcert /usr/local/bin/checkport \