Replace wget with curl -fsSL, normalize downloads, and prep for IPv6 (#3455)

* Initial Call, Switch from curl -s to curl -fsSL and wget to curl -fssL

* more switches

* switch vms

* more curls

* More curls

* more

* more

* more changes

* more

* prepare ipv6 calls

* change frontend to ipv6

* Formatting

* Fromatting

* Update gomft.sh

* Update gomft-install.sh

* Update ersatztv.sh

* Update build.func

---------

Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

misc/alpine-install.func

@@ -194,6 +194,6 @@ customize() {
     msg_ok "Customized Container"
   fi
 
-  echo "bash -c \"\$(curl -fsSL https://github.com/community-scripts/ProxmoxVE/raw/main/ct/${app}.sh)\"" >/usr/bin/update
+  echo "bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/raw/main/ct/${app}.sh)\"" >/usr/bin/update
   chmod +x /usr/bin/update
 }