Replace google closure syntax = with brackets around name

src/ol/format/WMSGetFeatureInfo.js

@@ -33,7 +33,7 @@ const layerIdentifier = '_layer';
  */
 class WMSGetFeatureInfo extends XMLFeature {
   /**
-   * @param {Options=} opt_options Options.
+   * @param {Options} [opt_options] Options.
    */
   constructor(opt_options) {
     super();
@@ -151,7 +151,7 @@ class WMSGetFeatureInfo extends XMLFeature {
   /**
    * @protected
    * @param {Element} node Node.
-   * @param {import("./Feature.js").ReadOptions=} opt_options Options.
+   * @param {import("./Feature.js").ReadOptions} [opt_options] Options.
    * @return {Array<import("../Feature.js").default>} Features.
    */
   readFeaturesFromNode(node, opt_options) {