fix: Make abrousseau001@ Homebrew contribution comply with Error Prone rules enforced in this project

See https://errorprone.info/bugpattern/UnrecognisedJavadocTag
(which, very strangely, I cannot reproduce locally; only happens on CI?!),

and https://errorprone.info/bugpattern/StringCaseLocaleUsage
(and google/error-prone#4951).

Author: vorburger

mariaDB4j-core/src/main/java/ch/vorburger/mariadb4j/Util.java

@@ -23,6 +23,7 @@
 import java.io.IOException;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
+import java.util.Locale;
 import java.util.concurrent.TimeUnit;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang3.SystemUtils;
@@ -164,7 +165,7 @@ public static int extractFromClasspathToFile(String packagePath, File toDir) thr
     /**
      * Method to check for the MariaDB installation on the system and then install if not installed.
      *
-     * @return @{@link boolean} representing whether MariaDB has been installed on the system
+     * @return whether MariaDB has been installed on the system
      */
     public static boolean installMariaDbFromHomebrew() {
         boolean mariadbIsInstalled = false;
@@ -191,7 +192,7 @@ public static boolean installMariaDbFromHomebrew() {
 
                 String checkInstallOutput = new String(brewInstall.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
 
-                if (checkInstallOutput.toLowerCase().contains("error")) {
+                if (checkInstallOutput.toLowerCase(Locale.ROOT).contains("error")) {
                     throw new IllegalStateException("Failed to install mariadb with Homebrew - see " + checkInstallOutput);
                 }