ci/cd: add riscv64 binary (#185)

Author: mengzhuo

.goreleaser.yml

@@ -33,6 +33,7 @@ builds:
   - arm64
   - s390x
   - ppc64le
+  - riscv64
   goarm:
   - "5"
   - "6"
@@ -42,14 +43,20 @@ builds:
       goarch: arm
     - goos: darwin
       goarch: ppc64le
+    - goos: darwin
+      goarch: riscv64
     - goos: darwin
       goarch: s390x
     - goos: windows
       goarch: ppc64le
+    - goos: windows
+      goarch: riscv64
     - goos: windows
       goarch: s390x
     - goos: freebsd
       goarch: ppc64le
+    - goos: freebsd
+      goarch: riscv64
     - goos: freebsd
       goarch: s390x
     - goos: freebsd