[cherry-pick]fix accessory import issue (#19056)

fix accessory import issue

fixes #19041

The issuse was introduced by #17087.
To move the import to main since the anonymous imports only allowed at main in go-cilint.

Fixes it:
To add the anonymous imports at the jobservice main since the gc job needs to remove accessory when to delete an artifact

Signed-off-by: wang yan <wangyan@vmware.com>

src/jobservice/main.go

@@ -32,6 +32,8 @@ import (
 	"github.com/goharbor/harbor/src/lib/cache"
 	cfgLib "github.com/goharbor/harbor/src/lib/config"
 	tracelib "github.com/goharbor/harbor/src/lib/trace"
+	_ "github.com/goharbor/harbor/src/pkg/accessory/model/base"
+	_ "github.com/goharbor/harbor/src/pkg/accessory/model/cosign"
 	_ "github.com/goharbor/harbor/src/pkg/config/inmemory"
 	_ "github.com/goharbor/harbor/src/pkg/config/rest"
 )