replace math.MaxInt usage (#1585)

This constant is only available in go >= 1.17, so I've inlined its value
so dependents don't have to upgrade their go version.

reference implementation: https://cs.opensource.google/go/go/+/refs/tags/go1.17:src/math/const.go;l=38

pkg/api/api_impl.go

@@ -3,7 +3,6 @@ package api
 import (
 	"fmt"
 	"io/ioutil"
-	"math"
 	"math/rand"
 	"os"
 	"regexp"
@@ -31,6 +30,11 @@ import (
 	"github.com/evanw/esbuild/internal/resolver"
 )
 
+const (
+	intSize = 32 << (^uint(0) >> 63)
+	maxInt  = 1<<(intSize-1) - 1
+)
+
 func validatePathTemplate(template string) []config.PathTemplate {
 	if template == "" {
 		return nil
@@ -1755,7 +1759,7 @@ func analyzeMetafileImpl(metafile string, opts AnalyzeMetafileOptions) string {
 					for _, importPath := range importsForPath[top].imports {
 						imported, ok := graph[importPath]
 						if !ok {
-							imported.depth = math.MaxInt
+							imported.depth = maxInt
 						}
 
 						if imported.depth > childDepth {