test(api): update base url after upgrading hugo

internal/api/api_integration_test.go

@@ -48,7 +48,7 @@ func newIntegrationTestConfig() *integrationTestConfig {
 		testFeedURL:           getDefaultEnvValues("TEST_MINIFLUX_FEED_URL", "https://miniflux.app/feed.xml"),
 		testFeedTitle:         getDefaultEnvValues("TEST_MINIFLUX_FEED_TITLE", "Miniflux"),
 		testSubscriptionTitle: getDefaultEnvValues("TEST_MINIFLUX_SUBSCRIPTION_TITLE", "Miniflux Releases"),
-		testWebsiteURL:        getDefaultEnvValues("TEST_MINIFLUX_WEBSITE_URL", "https://miniflux.app"),
+		testWebsiteURL:        getDefaultEnvValues("TEST_MINIFLUX_WEBSITE_URL", "https://miniflux.app/"),
 	}
 }