Update Checkstyle DTD version from 1.0 to 1.2
diff --git a/checkstyle-suppressions.xml b/checkstyle-suppressions.xml
index 1aa44f2..2e2e6b4 100644
--- a/checkstyle-suppressions.xml
+++ b/checkstyle-suppressions.xml
@@ -15,11 +15,13 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
-<!DOCTYPE suppressions PUBLIC "-//Checkstyle//DTD SuppressionFilter Configuration 1.0//EN" "https://checkstyle.org/dtds/suppressions_1_0.dtd">
+<!DOCTYPE suppressions PUBLIC
+ "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
+ "https://checkstyle.org/dtds/suppressions_1_2.dtd">
<suppressions>
- <suppress checks="JavadocMethod" files=".*[/\\]test[/\\].*"/>
- <suppress checks="JavadocPackage" files=".*[/\\]test[/\\].*"/>
- <suppress checks="MagicNumber" files="ColorConversions.java"/>
- <!-- Due to fail in Checkstyle on Windows and in GH Actions -->
- <suppress checks="NewlineAtEndOfFile" files="target[/\\].*[/\\]pom.properties"/>
+ <suppress checks="JavadocMethod" files=".*[/\\]test[/\\].*"/>
+ <suppress checks="JavadocPackage" files=".*[/\\]test[/\\].*"/>
+ <suppress checks="MagicNumber" files="ColorConversions.java"/>
+ <!-- Due to fail in Checkstyle on Windows and in GH Actions -->
+ <suppress checks="NewlineAtEndOfFile" files="target[/\\].*[/\\]pom.properties"/>
</suppressions>
