add missing sig windows emails

Author: BenTheElder

sigs.yaml

@@ -3428,6 +3428,7 @@ sigs:
     - github: aravindhp
       name: Aravindh Puthiyaparambil
       company: Softdrive Technologies Group Inc.
+      email: [email protected]
     - github: marosset
       name: Mark Rossetti
       company: Microsoft
@@ -3436,12 +3437,15 @@ sigs:
     - github: claudiubelu
       name: Claudiu Belu
       company: Cloudbase Solutions
+      email: [email protected]
     - github: jsturtevant
       name: James Sturtevant
       company: Microsoft
+      email: [email protected]
     - github: knabben
       name: Amim Knabben
       company: VMware
+      email: [email protected]
     - github: marosset
       name: Mark Rossetti
       company: Microsoft