update suppressions for netty

Author: varkey98

dependency-check/global-suppressions.xml

@@ -211,11 +211,14 @@
   </suppress>
   <suppress>
     <notes><![CDATA[
-   CVE-2026-42582 affects netty-codec-http3 which only exists in the Netty 4.2.x line.
-   The 4.1.x line does not include HTTP/3 support. False positive due to shared CPE.
-   Advisory: https://github.com/netty/netty/security/advisories/GHSA-2c5c-chwr-9hqw
+   CVE-2026-42582 and CVE-2026-56816 affect netty-codec-http3 which only exists in the
+   Netty 4.2.x line. The 4.1.x line does not include HTTP/3 support. False positive due
+   to shared CPE.
+   Advisories: https://github.com/netty/netty/security/advisories/GHSA-2c5c-chwr-9hqw
+               https://github.com/netty/netty/security/advisories/GHSA-hpcc-26xq-25fv
    ]]></notes>
     <packageUrl regex="true">^pkg:maven/io\.netty/(?!netty\-codec\-http3).*@.*$</packageUrl>
     <cve>CVE-2026-42582</cve>
+    <cve>CVE-2026-56816</cve>
   </suppress>
 </suppressions>