Fix builds on m1 mac

Ensure that docker images gets build in x64 arch, and use nfpm instead of fpm

nfpm.yaml

@@ -0,0 +1,22 @@
+# nfpm example config file
+#
+# check https://nfpm.goreleaser.com/configuration for detailed usage
+#
+name: "GoReplay"
+arch: "amd64"
+platform: "linux"
+version: "v1.3.1"
+section: "default"
+priority: "extra"
+provides:
+- goreplay
+maintainer: "Leonid Bugaev <hello@goreplay.org>"
+description: |
+ GoReplay is the simplest and safest way to test your app using real traffic before you put it into production. 
+vendor: "GoReplay"
+homepage: "https://goreplay.org"
+license: "AGPL"
+contents:
+- src: ./
+  dst: /usr/local/bin
+  type: dir