internal/scan: ensure int32 is returned for Int32 field types

Change-Id: I3a2dcd6e43b2fe5a041370a10ceb2d8c440b1739
Reviewed-on: https://go-review.googlesource.com/c/pkgsite-metrics/+/682635
LUCI-TryBot-Result: Go LUCI <[email protected]>
Auto-Submit: Neal Patel <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>

Author: thatnealpatel

internal/scan/parse.go

@@ -204,7 +204,8 @@ func parseParam(param string, kind reflect.Kind) (any, error) {
 	case reflect.String:
 		return param, nil
 	case reflect.Int32:
-		return strconv.ParseInt(param, 10, 32)
+		n, err := strconv.ParseInt(param, 10, 32)
+		return int32(n), err
 	case reflect.Int:
 		return strconv.Atoi(param)
 	case reflect.Bool: