[telegram] Send message if a file download fails and bug fixes. (#11125)

* Send message when pic/vid/ani fails to DL
* Upgrade lib to 5.2.0 and fix error.

Signed-off-by: Matthew Skinner <matt@pcmus.com>

bundles/org.openhab.binding.telegram/pom.xml

@@ -22,7 +22,7 @@
     <dependency>
       <groupId>com.github.pengrad</groupId>
       <artifactId>java-telegram-bot-api</artifactId>
-      <version>4.9.0</version>
+      <version>5.2.0</version>
       <scope>compile</scope>
     </dependency>
     <dependency>