[Aikido] Fix 2 security issues in kotlin-stdlib, netty-codec-dns

[aikido-autofix]

Upgrade kotlin-stdlib and netty-codec-dns to fix insecure temporary file permissions and DNS memory leak DoS vulnerability.

⚠️ Breaking changes analysis not available for: org.jetbrains.kotlin:kotlin-stdlib

✅ No breaking changes for: io.netty:netty-codec-dns

✅ 2 CVEs resolved by this upgrade

This PR will resolve the following CVEs:

Issue	Severity	Description
AIKIDO-2026-550292	MEDIUM	[kotlin-stdlib] In JetBrains Kotlin, a vulnerable Java API is used for temporary file and folder creation. An attacker is able to read data from such files and list directories due to insecure permissions.
CVE-2026-73508	MEDIUM	[netty-codec-dns] A memory leak vulnerability in DNS record handling allows unauthenticated remote attackers to leak direct memory through malformed domain names, causing denial of service. ByteBuf objects fail to release when domain name validation rejects input, enabling incremental memory exhaustion.

🔗 Related Tasks

• https://aikido.atlassian.net/browse/AIK-18525

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[aikido-autofix]

Closed by Aikido: a new AutoFix has been created → #341