caddy: build for go1.20

srcpkgs/caddy/template

@@ -1,10 +1,11 @@
 # Template file for 'caddy'
 pkgname=caddy
 version=2.6.4
-revision=3
+revision=4
 build_style=go
 go_import_path=github.com/caddyserver/caddy/v2
 go_package="${go_import_path}/cmd/caddy"
+hostmakedepends="go1.20"
 depends="shared-mime-info"
 short_desc="Fast, cross-platform HTTP/2 web server with automatic HTTPS"
 maintainer="Orphaned <orphan@voidlinux.org>"
@@ -19,6 +20,7 @@ caddy_homedir="/var/lib/caddy"
 caddy_descr="caddy daemon"
 
 conf_files="/etc/caddy/Caddyfile"
+export GOTOOLCHAIN=go1.20
 
 make_dirs="
 	/etc/caddy 0700 caddy caddy
@@ -30,10 +32,6 @@ post_patch() {
 	vsed -e "s,unknown,${version},g" -i ${wrksrc}/caddy.go
 }
 
-pre_build() {
-	export GOTOOLCHAIN="go1.20.7"
-}
-
 post_install() {
 	vsv caddy