doc: move Gireesh to TSC

Fixes: nodejs#26186

README.md

@@ -184,6 +184,8 @@ For information about the governance of the Node.js project, see
 **Jeremiah Senkpiel** <[email protected]>
 * [gabrielschulhof](https://github.com/gabrielschulhof) -
 **Gabriel Schulhof** <[email protected]>
+* [gireeshpunathil](https://github.com/gireeshpunathil) -
+**Gireesh Punathil** <[email protected]> (he/him)
 * [joyeecheung](https://github.com/joyeecheung) -
 **Joyee Cheung** <[email protected]> (she/her)
 * [mcollina](https://github.com/mcollina) -
@@ -322,8 +324,6 @@ For information about the governance of the Node.js project, see
 **Wyatt Preul** <[email protected]>
 * [gibfahn](https://github.com/gibfahn) -
 **Gibson Fahnestock** <[email protected]> (he/him)
-* [gireeshpunathil](https://github.com/gireeshpunathil) -
-**Gireesh Punathil** <[email protected]> (he/him)
 * [guybedford](https://github.com/guybedford) -
 **Guy Bedford** <[email protected]> (he/him)
 * [hashseed](https://github.com/hashseed) -