fix: GitHub casing across the platform (#6193)

admin/app/authentication/github/page.tsx

@@ -44,7 +44,7 @@ const InstanceGithubAuthenticationPage = observer(() => {
       loading: "Saving Configuration...",
       success: {
         title: "Configuration saved",
-        message: () => `Github authentication is now ${value ? "active" : "disabled"}.`,
+        message: () => `GitHub authentication is now ${value ? "active" : "disabled"}.`,
       },
       error: {
         title: "Error",
@@ -67,8 +67,8 @@ const InstanceGithubAuthenticationPage = observer(() => {
       <div className="relative container mx-auto w-full h-full p-4 py-4 space-y-6 flex flex-col">
         <div className="border-b border-custom-border-100 mx-4 py-4 space-y-1 flex-shrink-0">
           <AuthenticationMethodCard
-            name="Github"
-            description="Allow members to login or sign up to plane with their Github accounts."
+            name="GitHub"
+            description="Allow members to login or sign up to plane with their GitHub accounts."
             icon={
               <Image
                 src={resolveGeneralTheme(resolvedTheme) === "dark" ? githubDarkModeImage : githubLightModeImage}

admin/core/components/auth-header.tsx

@@ -30,7 +30,7 @@ export const InstanceHeader: FC = observer(() => {
       case "google":
         return "Google";
       case "github":
-        return "Github";
+        return "GitHub";
       case "gitlab":
         return "GitLab";
       case "workspace":