Update affiliation date for grnmeira

Author: grnmeira

developers_affiliations5.txt

@@ -93,7 +93,7 @@ grmoon: grmoon!users.noreply.github.com
 	WeWork Companies LLC from 2019-04-01 until 2020-08-01
 	Google LLC from 2020-08-01
 grnmeira: grnmeira!gmail.com, gustavomeira!microsoft.com
-	Microsoft Corporation
+	Microsoft Corporation from 2024-10-01
 groakley: groakley!gmail.com, groakley!users.noreply.github.com
 	Independent until 2014-09-01
 	Google LLC from 2014-09-01