chore(firestore): release 1.6.0 (#9621)

* Release firestore 1.6.0

* Update firestore/CHANGELOG.md

Co-Authored-By: Tres Seaver <tseaver@palladion.com>

Author: crwilcox

packages/google-cloud-firestore/CHANGELOG.md

@@ -5,6 +5,13 @@
 [1]: https://pypi.org/project/google-cloud-firestore/#history
 
 
+## 1.6.0
+
+11-06-2019 13:49 PST
+
+### New Features
+- Surface new 'IN' and 'ARRAY_CONTAINS_ANY' query operators. ([#9541](https://github.com/googleapis/google-cloud-python/pull/9541))
+
 ## 1.5.0
 
 10-15-2019 06:45 PDT

packages/google-cloud-firestore/setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-firestore"
 description = "Google Cloud Firestore API client library"
-version = "1.5.0"
+version = "1.6.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'