chore(main): release 2.2.2-SNAPSHOT (#363)

🤖 I have created a release *beep* *boop*
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### Updating meta-information for bleeding-edge SNAPSHOT release.

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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

Author: release-please[bot]

build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'io.github.gradle-nexus.publish-plugin'
 group = "com.google.api"
 archivesBaseName = "api-common"
 
-project.version = "2.2.1" // {x-version-update:api-common:current}
+project.version = "2.2.2-SNAPSHOT" // {x-version-update:api-common:current}
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8

versions.txt

@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-api-common:2.2.1:2.2.1
+api-common:2.2.1:2.2.2-SNAPSHOT