[🐸 Frogbot] Update version of com.fasterxml.jackson.core:jackson-core to 2.21.7

[github-actions]

📦 Vulnerable Dependencies

Severity	ID	Contextual Analysis	Direct Dependencies	Impacted Dependency	Fixed Versions
High	CVE-2026-68498	Not Covered	com.fasterxml.jackson.core:jackson-core:2.18.6	com.fasterxml.jackson.core:jackson-core 2.18.6	[2.18.10] [2.21.6] [2.22.2]

🔖 Details

Vulnerability Details

Contextual Analysis:	Not Covered
Direct Dependencies:	com.fasterxml.jackson.core:jackson-core:2.18.6
Impacted Dependency:	com.fasterxml.jackson.core:jackson-core:2.18.6
Fixed Versions:	[2.18.10], [2.21.6], [2.22.2]
CVSS V3:	7.5

Delayed maxNameLength enforcement for char-backed input (ReaderBasedJsonParser) allows memory-exhaustion DoS

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