chore: release dialogflow 1.1.0 (#4925)

diff --git a/dialogflow/CHANGES.md b/dialogflow/CHANGES.md
index 5852fbe..8bc85d0 100644
--- a/dialogflow/CHANGES.md
+++ b/dialogflow/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.1.0](https://www.github.com/googleapis/google-cloud-go/compare/dialogflow/v1.0.0...dialogflow/v1.1.0) (2021-10-18)
+
+
+### Features
+
+* **dialogflow/cx:** added support for Deployments with ListDeployments and GetDeployment apis feat: added support for DeployFlow api under Environments feat: added support for TestCasesConfig under Environment docs: added long running operation explanation for several apis fix!: marked resource name of security setting as not-required ([8c5c6cf](https://www.github.com/googleapis/google-cloud-go/commit/8c5c6cf9df046b67998a8608d05595bd9e34feb0))
+
 ## 1.0.0
 
 Stabilize GA surface.
@@ -8,4 +15,3 @@
 
 This is the first tag to carve out dialogflow as its own module. See
 [Add a module to a multi-module repository](https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository).
-