add missing changeset for @firebase/component (#4495)

Feiyang1 · web-flow · commit 6afe42613ed3 · 2021-02-19T15:30:31.000-08:00
diff --git a/.changeset/kind-dots-raise.md b/.changeset/kind-dots-raise.md
@@ -0,0 +1,5 @@
+---
+'@firebase/component': minor
+---
+
+Added isInitialized() method to Provider
