rebase: bump github.com/onsi/gomega from 1.18.0 to 1.18.1

Bumps [github.com/onsi/gomega](https://github.com/onsi/gomega) from 1.18.0 to 1.18.1.
- [Release notes](https://github.com/onsi/gomega/releases)
- [Changelog](https://github.com/onsi/gomega/blob/master/CHANGELOG.md)
- [Commits](https://github.com/onsi/gomega/compare/v1.18.0...v1.18.1)

---
updated-dependencies:
- dependency-name: github.com/onsi/gomega
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/onsi/gomega/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.18.1
+
+## Fixes
+- Add pointer support to HaveField matcher (#495) [79e41a3]
+
 ## 1.18.0
 
 ## Features

vendor/github.com/onsi/gomega/gomega_dsl.go

@@ -22,7 +22,7 @@ import (
 	"github.com/onsi/gomega/types"
 )
 
-const GOMEGA_VERSION = "1.18.0"
+const GOMEGA_VERSION = "1.18.1"
 
 const nilGomegaPanic = `You are trying to make an assertion, but haven't registered Gomega's fail handler.
 If you're using Ginkgo then you probably forgot to put your assertion in an It().

vendor/github.com/onsi/gomega/matchers/have_field.go

@@ -12,6 +12,13 @@ func extractField(actual interface{}, field string) (interface{}, error) {
 	fields := strings.SplitN(field, ".", 2)
 	actualValue := reflect.ValueOf(actual)
 
+	if actualValue.Kind() == reflect.Ptr {
+		actualValue = actualValue.Elem()
+	}
+	if actualValue == (reflect.Value{}) {
+		return nil, fmt.Errorf("HaveField encountered nil while dereferencing a pointer of type %T.", actual)
+	}
+
 	if actualValue.Kind() != reflect.Struct {
 		return nil, fmt.Errorf("HaveField encountered:\n%s\nWhich is not a struct.", format.Object(actual, 1))
 	}