[v0.54.0]fix(deps): upgrade quinn-proto to 0.11.14 to patch CVE-2026-31812

[vparfonov]

Upgrades quinn-proto from 0.11.9 to 0.11.14 which fixes a remote denial of service vulnerability (CVE-2026-31812).
The vulnerability allowed unauthenticated attackers to trigger a panic in the QUIC transport parameter parsing
by sending a crafted Initial packet with malformed varint encodings. The fix replaces unsafe unwrap() calls with proper error handling.
Fixes: CVE-2026-31812
See: RUSTSEC-2026-0037

[openshift-ci]

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[vparfonov]

/test unit

[vparfonov]

/test clo-functional

[openshift-ci]

@vparfonov: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/clo-functional	cbf8833	link	true	/test clo-functional

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