chore: release firestore 1.6.1 (#4913)

Co-authored-by: Christopher Wilcox <crwilcox@google.com>
diff --git a/firestore/CHANGES.md b/firestore/CHANGES.md
index fd05bde..04380dd 100644
--- a/firestore/CHANGES.md
+++ b/firestore/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+### [1.6.1](https://www.github.com/googleapis/google-cloud-go/compare/firestore/v1.6.0...firestore/v1.6.1) (2021-10-29)
+
+
+### Bug Fixes
+
+* **firestore:** prefer exact matches when reflecting fields ([#4908](https://www.github.com/googleapis/google-cloud-go/issues/4908)) ([d3d9420](https://www.github.com/googleapis/google-cloud-go/commit/d3d94205995ad910bd277f1f930cef4ac86c8040))
+
 ## [1.6.0](https://www.github.com/googleapis/google-cloud-go/compare/firestore/v1.5.0...firestore/v1.6.0) (2021-09-09)