chore: Deprecate idb (#1073)

Author: mykola-mokhnach

lib/webdriveragent.js

@@ -34,6 +34,9 @@ export class WebDriverAgent {
   /** @type {string} */
   agentPath;
 
+  /** @type {any} @deprecated for removal */
+  idb;
+
   /**
    * @param {import('appium-xcode').XcodeVersion | undefined} xcodeVersion @deprecated Will be removed as no actual usage.
    * @param {import('./types').WebDriverAgentArgs} args
@@ -506,6 +509,7 @@ export class WebDriverAgent {
   }
 
   /**
+   * @deprecated We'll stop supporting idb. Deprecated for removal.
    * @returns {Promise<void>}
    */
   async startWithIDB () {