fix: improvements in memory consumption (#100)

* fix: must close the connection after processing

I think it should help to close #80

* feat: migration to github.com/things-go/go-socks5

- preallocate config slices
- not used interfaces in consumer
- do not allocate new variables in loops

* feat: close connection after full processing

* feat: correct process sigint signal

* feat: improve build system

* fix: http proxy

* feat: update golangci-lint-action to v3.7.0

* feat: correct process routines

* fix: close http conn correctly

* feat: update golangci-lint-action to v4

* fix: goreleaser used clean now

Dockerfile

@@ -1,5 +1,5 @@
 # Start by building the application.
-FROM docker.io/golang:1.20 as build
+FROM docker.io/golang:1.21 as build
 
 WORKDIR /usr/src/wireproxy
 COPY . .
@@ -14,6 +14,6 @@ VOLUME [ "/etc/wireproxy"]
 ENTRYPOINT [ "/usr/bin/wireproxy" ]
 CMD [ "--config", "/etc/wireproxy/config" ]
 
-LABEL org.opencontainers.image.title wireproxy
-LABEL org.opencontainers.image.description "Wireguard client that exposes itself as a socks5 proxy"
-LABEL org.opencontainers.image.licenses ISC
+LABEL org.opencontainers.image.title="wireproxy"
+LABEL org.opencontainers.image.description="Wireguard client that exposes itself as a socks5 proxy"
+LABEL org.opencontainers.image.licenses="ISC"