Revert "Upgrade to go 1.19 and update dependencies (#3069)" (#3085)

This reverts commit bba7c23957.

vendor/github.com/99designs/gqlgen/api/generate.go

@@ -2,7 +2,6 @@ package api
 
 import (
 	"fmt"
-	"regexp"
 	"syscall"
 
 	"github.com/99designs/gqlgen/codegen"
@@ -25,20 +24,7 @@ func Generate(cfg *config.Config, option ...Option) error {
 	}
 	plugins = append(plugins, resolvergen.New())
 	if cfg.Federation.IsDefined() {
-		if cfg.Federation.Version == 0 { // default to using the user's choice of version, but if unset, try to sort out which federation version to use
-			urlRegex := regexp.MustCompile(`(?s)@link.*\(.*url:.*?"(.*?)"[^)]+\)`) // regex to grab the url of a link directive, should it exist
-
-			// check the sources, and if one is marked as federation v2, we mark the entirety to be generated using that format
-			for _, v := range cfg.Sources {
-				cfg.Federation.Version = 1
-				urlString := urlRegex.FindStringSubmatch(v.Input)
-				if urlString != nil && urlString[1] == "https://specs.apollo.dev/federation/v2.0" {
-					cfg.Federation.Version = 2
-					break
-				}
-			}
-		}
-		plugins = append([]plugin.Plugin{federation.New(cfg.Federation.Version)}, plugins...)
+		plugins = append([]plugin.Plugin{federation.New()}, plugins...)
 	}
 
 	for _, o := range option {