Add missing semicolons in TypeScript

Semicolons in TypeScript are note required, but for consistency with the
majority of lines in `gr-github-oauth-progress.ts` three semicolons were
added.

Change-Id: Ic33bba8456606bd150e1dbd649df8b7e158b36b3

github-plugin/src/main/ts/gr-github-oauth-progress.ts

diff --git a/github-plugin/src/main/ts/gr-github-oauth-progress.ts b/github-plugin/src/main/ts/gr-github-oauth-progress.ts
index 8ed9e07..292e294 100644
--- a/github-plugin/src/main/ts/gr-github-oauth-progress.ts
+++ b/github-plugin/src/main/ts/gr-github-oauth-progress.ts
@@ -10,9 +10,9 @@
 
     @property() plugin!: PluginApi;
 
-    @state() authInfo?: AuthInfo
+    @state() authInfo?: AuthInfo;
 
-    @state() loggedIn?: boolean
+    @state() loggedIn?: boolean;
 
     @state() currentNavigationPath?: string;
 
@@ -59,7 +59,7 @@
 
     override render() {
         if (!this.authInfo || this.loggedIn !== false) {
-            return
+            return;
         }
         const loginWithRedirect = new URL(this.authInfo.login_url ?? "/", window.location.origin);
         if (this.currentNavigationPath) {