Update version to 1.18.0-SNAPSHOT (#423)

Author: opentelemetrybot

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## Version 1.17.0 (2022-08-19)
+
 ### Consistent sampling
 
 - Support traceId-based r-values

version.gradle.kts

@@ -1,5 +1,5 @@
-val stableVersion = "1.17.0-SNAPSHOT"
-val alphaVersion = "1.17.0-alpha-SNAPSHOT"
+val stableVersion = "1.18.0-SNAPSHOT"
+val alphaVersion = "1.18.0-alpha-SNAPSHOT"
 
 allprojects {
   if (findProperty("otel.stable") != "true") {