[CI] Disable Gradle's auto-detect feature when selecting the Java toolchain JVM.

Author: vyazelenko

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
       - master
 
 env:
-  GRADLE_OPTS: "-Dorg.gradle.daemon=false"
+  GRADLE_OPTS: "-Dorg.gradle.daemon=false -Dorg.gradle.java.installations.auto-detect=false"
   CMAKE_VERSION: "3.6.1"
 
 jobs: