Fix: Correct typo in AppenderRef for Hikari logging

CityDoctorParent/CityDoctorModel/src/main/resources/log4j2.xml

@@ -15,7 +15,7 @@
             <AppenderRef ref="console" />
    		</Logger>
         <Logger name="com.zaxxer.hikari" level="INFO" additivity="false">
-            <AppenderRef ref="Console"/>
+            <AppenderRef ref="console"/>
         </Logger>
     </Loggers>
 </Configuration>
\ No newline at end of file

CityDoctorParent/CityDoctorValidation/src/main/resources/log4j2.xml

@@ -12,7 +12,7 @@
             <AppenderRef ref="console" />
         </Root>
         <Logger name="com.zaxxer.hikari" level="INFO" additivity="false">
-            <AppenderRef ref="Console"/>
+            <AppenderRef ref="console"/>
         </Logger>
     </Loggers>
 </Configuration>
\ No newline at end of file

CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/log4j2.xml

@@ -20,7 +20,7 @@
 			<AppenderRef ref="console" />
 		</Root>
 		<Logger name="com.zaxxer.hikari" level="INFO" additivity="false">
-			<AppenderRef ref="Console"/>
+			<AppenderRef ref="console"/>
 		</Logger>
 	</Loggers>
 </Configuration>
\ No newline at end of file