Revert to building with JavaFX 11.0.2

Author: jsotuyod

.ci/build.sh

@@ -20,8 +20,7 @@ function build() {
 
     if pmd_ci_utils_is_fork_or_pull_request; then
         pmd_ci_log_group_start "Build with mvnw"
-            Xvfb :99
-            DISPLAY=:99 ./mvnw clean verify --activate-profiles shading --show-version --errors --batch-mode --no-transfer-progress
+            ./mvnw clean verify --activate-profiles shading --show-version --errors --batch-mode --no-transfer-progress
         pmd_ci_log_group_end
         exit 0
     fi

pom.xml

@@ -55,7 +55,7 @@
 
     <properties>
         <pmd.core.version>6.27.0</pmd.core.version>
-        <openjfx.version>14.0.2.1</openjfx.version>
+        <openjfx.version>11.0.2</openjfx.version>
         <java.version>8</java.version>
         <kotlin.version>1.7.0</kotlin.version>
         <kotest.version>4.4.3</kotest.version>