Add riscv64 architecture support to goreleaser (#688)

.goreleaser.yml

@@ -16,6 +16,7 @@ builds:
       - amd64
       - arm
       - arm64
+      - riscv64
     goarm:
       - 5
       - 6
@@ -25,10 +26,14 @@ builds:
         goarch: arm
       - goos: darwin
         goarch: arm64
+      - goos: darwin
+        goarch: riscv64
       - goos: windows
         goarch: arm
       - goos: windows
         goarch: arm64
+      - goos: windows
+        goarch: riscv64
       - goos: openbsd
         goarch: 386
       - goos: openbsd
@@ -36,7 +41,7 @@ builds:
     hooks:
       post:
         # don't upx windows binaries as they make trouble with virus scanners
-        - bash -c 'if [[ "{{ .Path }}" != *.exe ]] && [[ "{{ .Path }}" != *darwin* ]] && [[ "{{ .Path }}" != *openbsd* ]]; then upx {{ .Path }}; fi'
+        - bash -c 'if [[ "{{ .Path }}" != *.exe ]] && [[ "{{ .Path }}" != *darwin* ]] && [[ "{{ .Path }}" != *openbsd* ]] && [[ "{{ .Path }}" != *riscv* ]]; then upx {{ .Path }}; fi'
 checksum:
   name_template: 'checksums.txt'
 snapshot: