reports: fix typo in GO-2021-0052.yaml

Author: josieang

reports/GO-2021-0052.yaml

@@ -8,7 +8,7 @@ cve: CVE-2020-28483
 credit: "@sorenh"
 symbols:
   - Context.ClientIP
-verions:
+versions:
   - fixed: v1.6.3-0.20210406033725-bfc8ca285eb4
 links:
   commit: https://github.com/gin-gonic/gin/commit/bfc8ca285eb46dad60e037d57c545cd260636711