DynamicTablesPkg,.azurepipelines: Upgrade Node from 14.x to LTS 24.x

Apparently cspell was not properly working with the previous node
version, which means some cspell failures have crept in, so we also
introduce new required spellcheck exceptions:

cavium
https://github.com/tianocore/edk2/blob/2f644968bdc09a2571e63d3c09c429abbede8a3a/DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/Iort/SmmuV3Parser.c#L373

eventq
https://github.com/tianocore/edk2/blob/2f644968bdc09a2571e63d3c09c429abbede8a3a/DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/Iort/SmmuV3Parser.c#L352

gerror
https://github.com/tianocore/edk2/blob/2f644968bdc09a2571e63d3c09c429abbede8a3a/DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/Iort/SmmuV3Parser.c#L356

All introduced in 954ee29013899ebdc9c263b3bd6268015dafc07a .

Continuous-integration-options: PatchCheck.ignore-multi-package

Signed-off-by: Mike Beaton <mjsbeaton@gmail.com>
2 files changed