fix: bump netty from 4.1.127 to 4.1.135 to remediate CVE-2026-44249 and CVE-2026-45416

[nikagra]

Summary

Bumps netty.version from 4.1.127.Final to 4.1.135.Final in the scylla-3.x branch to remediate:

• CVE-2026-44249 (CVSS 8.1): IpSubnetFilterRule.compareTo() performs an incorrect masking operation, allowing attackers to bypass IPv6 subnet ACL rules with valid public IP addresses.

• CVE-2026-45416 (CVSS 7.5): SslClientHelloHandler.decode() eagerly allocates up to 16 MiB of unpooled memory when maxClientHelloLength=0 (the SniHandler default). A crafted TLS ClientHello can trigger memory exhaustion (DoS).

This also covers CVE-2026-42583 (CVSS 7.5, fixed in 4.1.131.Final): HTTP Response Splitting via HttpObjectEncoder.

Context

This is the same fix pattern applied in PR #925 for the scylla-4.x branch (which bumped netty from 4.1.127 to 4.1.135). The scylla-3.x branch (scylla-driver-parent:3.11.5.x) has the same vulnerable netty version and requires the same bump.

Changes

# pom.xml
-<netty.version>4.1.127.Final</netty.version>
+<netty.version>4.1.135.Final</netty.version>

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Reviewing files that changed from the base of the PR and between 95962cb and d53289e.

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• pom.xml

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