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

This reverts commit bba7c23957.

vendor/github.com/99designs/gqlgen/graphql/input.go

@@ -1,55 +0,0 @@
-package graphql
-
-import (
-	"context"
-	"errors"
-	"reflect"
-)
-
-const unmarshalInputCtx key = "unmarshal_input_context"
-
-// BuildUnmarshalerMap returns a map of unmarshal functions of the ExecutableContext
-// to use with the WithUnmarshalerMap function.
-func BuildUnmarshalerMap(unmarshaler ...interface{}) map[reflect.Type]reflect.Value {
-	maps := make(map[reflect.Type]reflect.Value)
-	for _, v := range unmarshaler {
-		ft := reflect.TypeOf(v)
-		if ft.Kind() == reflect.Func {
-			maps[ft.Out(0)] = reflect.ValueOf(v)
-		}
-	}
-
-	return maps
-}
-
-// WithUnmarshalerMap returns a new context with a map from input types to their unmarshaler functions.
-func WithUnmarshalerMap(ctx context.Context, maps map[reflect.Type]reflect.Value) context.Context {
-	return context.WithValue(ctx, unmarshalInputCtx, maps)
-}
-
-// UnmarshalInputFromContext allows unmarshaling input object from a context.
-func UnmarshalInputFromContext(ctx context.Context, raw, v interface{}) error {
-	m, ok := ctx.Value(unmarshalInputCtx).(map[reflect.Type]reflect.Value)
-	if m == nil || !ok {
-		return errors.New("graphql: the input context is empty")
-	}
-
-	rv := reflect.ValueOf(v)
-	if rv.Kind() != reflect.Ptr || rv.IsNil() {
-		return errors.New("graphql: input must be a non-nil pointer")
-	}
-	if fn, ok := m[rv.Elem().Type()]; ok {
-		res := fn.Call([]reflect.Value{
-			reflect.ValueOf(ctx),
-			reflect.ValueOf(raw),
-		})
-		if err := res[1].Interface(); err != nil {
-			return err.(error)
-		}
-
-		rv.Elem().Set(res[0])
-		return nil
-	}
-
-	return errors.New("graphql: no unmarshal function found")
-}