meta: update collaborator email address in README

Author: Trott

README.md

@@ -425,7 +425,7 @@ For information about the governance of the Node.js project, see
 * [ShogunPanda](https://github.com/ShogunPanda) -
   **Paolo Insogna** <<paolo@cowtech.it>> (he/him)
 * [srl295](https://github.com/srl295) -
-  **Steven R Loomis** <<srloomis@us.ibm.com>>
+  **Steven R Loomis** <<srl295@gmail.com>>
 * [starkwang](https://github.com/starkwang) -
   **Weijia Wang** <<starkwang@126.com>>
 * [sxa](https://github.com/sxa) -