stack-use-after-scope in parseSignedInteger

stack-use-after-scope in parseSignedInteger: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). AddressSanitizer: stack-use-after-scope in function parseSignedInteger in file open62541/src/ua types encoding json.c