chore: update logback-classic to 1.4.14 [skip ci] (#4776) (#4778)

* chore: update logback-classic to 1.4.14

* Update pom.xml

Co-authored-by: Zhe Sun <[email protected]>

Author: vaadin-bot

vaadin-spring-boot-starter/pom.xml

@@ -76,7 +76,12 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.12</version>
+            <version>1.4.14</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+            <version>1.4.14</version>
         </dependency>
         <!-- End Spring -->
     </dependencies>