chore: fix kokoro windows java 8 ci by setting correct JAVA11_HOME (#2319)

* chore: fix kokoro windows java 8 ci by setting correct JAVA11_HOME * Update build.bat * Update build.bat * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: rajatbhatta

.kokoro/build.bat

@@ -17,6 +17,6 @@
 
 set JAVA8_HOME=%JAVA_HOME:"=%
 choco install -y openjdk11
-set JAVA11_HOME=C:\Program Files\Eclipse Adoptium\jdk-11.0.17.8-hotspot\
+set JAVA11_HOME=C:\Program Files\Eclipse Adoptium\jdk-11.0.18.10-hotspot\
 
-"C:\Program Files\Git\bin\bash.exe" %~dp0build.sh
+"C:\Program Files\Git\bin\bash.exe" %~dp0build.sh