chore(main): release gapic-common 0.20.0 (#960)

Author: release-please[bot]

.release-please-manifest.json

@@ -1,4 +1,4 @@
 {
   "gapic": "0.1.0",
-  "gapic-common": "0.19.1"
+  "gapic-common": "0.20.0"
 }

gapic-common/CHANGELOG.md

@@ -1,5 +1,15 @@
 # Release History
 
+### 0.20.0 (2023-08-31)
+
+#### Features
+
+* Add channel pooling for gapic clients ([#969](https://github.com/googleapis/gapic-generator-ruby/issues/969)) 
+* Add LRU hash ([#970](https://github.com/googleapis/gapic-generator-ruby/issues/970)) 
+#### Documentation
+
+* Minor fixes to YARD documentation links and parameters ([#959](https://github.com/googleapis/gapic-generator-ruby/issues/959)) 
+
 ### 0.19.1 (2023-05-30)
 
 #### Bug Fixes

gapic-common/lib/gapic/common/version.rb

@@ -14,6 +14,6 @@
 
 module Gapic
   module Common
-    VERSION = "0.19.1".freeze
+    VERSION = "0.20.0".freeze
   end
 end