Bump org.openjfx:javafx-media from 21 to 21.0.2 in /lab3

Bumps org.openjfx:javafx-media from 21 to 21.0.2.

---
updated-dependencies:
- dependency-name: org.openjfx:javafx-media
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

lab3/pom.xml

@@ -38,7 +38,7 @@
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-media</artifactId>
-            <version>21</version>
+            <version>21.0.2</version>
         </dependency>
         <dependency>
             <groupId>org.controlsfx</groupId>