chore: release filestore 1.0.0 (#5398)

diff --git a/filestore/CHANGES.md b/filestore/CHANGES.md
index 50ac980..ef41463 100644
--- a/filestore/CHANGES.md
+++ b/filestore/CHANGES.md
@@ -1,6 +1,13 @@
 # Changes
 
 
+## [1.0.0](https://www.github.com/googleapis/google-cloud-go/compare/filestore/v0.1.0...filestore/v1.0.0) (2022-01-25)
+
+
+### Features
+
+* **filestore:** to v1 ([#5139](https://www.github.com/googleapis/google-cloud-go/issues/5139)) ([6b879a0](https://www.github.com/googleapis/google-cloud-go/commit/6b879a0c3ffad7bdcfc158b7ce5806fc3284ad30))
+
 ## v0.1.0
 
 - feat(filestore): start generating clients