package/wireshark: security bump to version 3.4.2

package/wireshark: security bump to version 3.4.2

The following vulnerabilities have been fixed:
 - wnpa-sec-2020-16 Kafka dissector memory leak. Bug 16739.
   CVE-2020-26418.
 - wnpa-sec-2020-17 USB HID dissector crash. Bug 16958. CVE-2020-26421.
 - wnpa-sec-2020-18 RTPS dissector memory leak. Bug 16994.
   CVE-2020-26420.
 - wnpa-sec-2020-19 Multiple dissector memory leak. Bug 17032.
   CVE-2020-26419.
 - wnpa-sec-2020-20 QUIC dissector crash Bug 17073.

https://www.wireshark.org/docs/relnotes/wireshark-3.4.1.html
https://www.wireshark.org/docs/relnotes/wireshark-3.4.2.html

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>