change log level so it would be seen in tests

Author: EpicPlayerA10

deobfuscator-api/src/main/java/uwu/narumi/deobfuscator/api/context/DeobfuscatorOptions.java

@@ -315,7 +315,7 @@ public DeobfuscatorOptions build() {
       if (this.rtJarPath == null) {
         Path rtJar = findRtJarPath();
         if (rtJar != null) {
-          LOGGER.info("Auto-detected rt.jar path: {}", rtJar);
+          LOGGER.warn("Auto-detected rt.jar path: {}", rtJar);
           this.rtJarPath = rtJar;
         } else {
           LOGGER.warn("Failed to auto-detect rt.jar path. Please provide path to rt.jar from Java 8 binaries, otherwise sandbox will not work.");