refactor: update the commands

Rename `CG` commands by `TECHIO`

Author: Sylvain Fraïssé

src/main/resources/cgjavac

@@ -1,10 +1,10 @@
 #!/bin/bash
 
-echo "CG> redirect-streams --input err compilation"
+echo "TECHIO> redirect-streams --input err compilation"
 
 java -jar /usr/src/codingame/java-compiler/java-compiler.jar "$@"
 compilationExitCode=$?
 
-echo "CG> redirect-streams --reset --input err compilation"
+echo "TECHIO> redirect-streams --reset --input err compilation"
 
 exit $compilationExitCode