Vendor Update: go-gitlab v0.22.1 -> v0.31.0 (#11136)

* vendor update: go-gitlab to v0.31.0

* migrate client init to v0.31.0

* refactor

vendor/github.com/xanzy/go-gitlab/request_options.go

@@ -0,0 +1,30 @@
+package gitlab
+
+import (
+	"context"
+
+	retryablehttp "github.com/hashicorp/go-retryablehttp"
+)
+
+// RequestOptionFunc can be passed to all API requests to customize the API request.
+type RequestOptionFunc func(*retryablehttp.Request) error
+
+// WithSudo takes either a username or user ID and sets the SUDO request header
+func WithSudo(uid interface{}) RequestOptionFunc {
+	return func(req *retryablehttp.Request) error {
+		user, err := parseID(uid)
+		if err != nil {
+			return err
+		}
+		req.Header.Set("SUDO", user)
+		return nil
+	}
+}
+
+// WithContext runs the request with the provided context
+func WithContext(ctx context.Context) RequestOptionFunc {
+	return func(req *retryablehttp.Request) error {
+		*req = *req.WithContext(ctx)
+		return nil
+	}
+}