Ignore gin.Context for varnamelen

.golangci.yml

@@ -7,4 +7,7 @@ linters-settings:
       - io.Copy(*bytes.Buffer)
       - (*github.com/gin-gonic/gin.Context).AbortWithError
       - (*github.com/gin-gonic/gin.Context).AbortWithError
-      - io.Copy(os.Stdout)
+      - io.Copy(os.Stdout)
+  varnamelen:
+    ignore-decls:
+      - c *gin.Context