fix: propagate arm64 build support for development builds

plugins/nginx-vhosts/Makefile

@@ -1,3 +1,4 @@
+GOARCH ?= amd64
 BUILD = pagesize
 PLUGIN_NAME = nginx-vhosts
 
@@ -5,6 +6,6 @@ clean-pagesize:
 	rm -rf pagesize
 
 pagesize: clean-pagesize **/**/pagesize.go
-	go build -ldflags="-s -w" $(GO_ARGS) -o pagesize src/pagesize/pagesize.go
+	GOARCH=$(GOARCH) go build -ldflags="-s -w" $(GO_ARGS) -o pagesize src/pagesize/pagesize.go
 
 include ../../common.mk