chore: add maintainers for nfpms in .goreleaser.yml (#80)

Signed-off-by: Gaius <[email protected]>

Author: gaius-qi

.goreleaser.yml

@@ -7,7 +7,7 @@ before:
     - go mod download
 
 builds:
-  - main: ./cmd/main.go
+  - main: main.go
     id: modctl
     binary: modctl
     goos:
@@ -39,6 +39,7 @@ changelog:
 
 nfpms:
   - id: modctl
+    maintainer: Model Spec Maintainers <[email protected]>
     file_name_template: "modctl-{{ .Version }}-{{ .Os }}-{{ .Arch }}"
     package_name: modctl
     description: A command line tool for managing artifact bundled based on the Model Format Specification