Move Firebase Functions to us-east1 (#300)

Deployed firebase functions to us-east1 to match the firestore
deployment to optimize network egress.

src/constants.ts

@@ -76,7 +76,7 @@ const CAMPUSES: Record<string, string> = {
 
 const BACKEND_BASE_URL = 'https://gt-scheduler.azurewebsites.net';
 const FIREBASE_PROJECT_ID = firebaseConfig.projectId || `gt-scheduler-web-dev`;
-const CLOUD_FUNCTION_BASE_URL = `https://us-central1-${FIREBASE_PROJECT_ID}.cloudfunctions.net`;
+const CLOUD_FUNCTION_BASE_URL = `https://us-east1-${FIREBASE_PROJECT_ID}.cloudfunctions.net`;
 
 const LARGE_DESKTOP_BREAKPOINT = 1200;
 const DESKTOP_BREAKPOINT = 1024;