[deps] Upgrade netty and Exclude plexus-utils

[onelapahead]

Fixes:

| kaleido-node-besu:26.3.0-r1241                   | CVE-2026-33870      | HIGH     | 7.5   | NVD        | io.netty:netty-codec-http        | 4.1.132.Final, 4.2.10.Final | io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of ... | NO     | Java, besu-source/accepta... |
| kaleido-node-besu:26.3.0-r1241                   | CVE-2026-33871      | HIGH     | 7.5   | NVD        | io.netty:netty-codec-http2       | 4.1.132.Final, 4.2.11.Final | netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood              | NO     | Java, besu-source/accepta... |
| kaleido-node-besu:26.3.0-r1241                   | CVE-2025-67030      | HIGH     | 8.8   | NVD        | org.codehaus.plexus:plexus-utils | 4.0.3                       | org.codehaus.plexus:plexus-utils: Plexus-utils: Directory Traversal in extrac... | NO     | Java, besu-source/accepta... |