RedfishClientPkg: introduce RedfishBootstrapAccountDxe

[nicklela]

-Introduce RedfishBootstrapAccountDxe to delete bootstrap account from /redfish/v1/AccountService/Accounts after BIOS finished all Redfish jobs. The bootstrap account won't be available to other application. So deleting bootstrap account helps to release resource at BMC.

• After bootstrap account is deleted at BMC, the Redfish service instance is no longer usable. Close Redfish service instance to release the HTTP connection between BIOS and BMC.

Cc: Abner Chang abner.chang@amd.com Cc: Igor Kulchytskyy igork@ami.com Cc: Nick Ramirez nramirez@nvidia.com

[nicklela]

This function is supported by this in edk2: https://github.com/tianocore/edk2/commit/976113774320e5f18bb5bd6f21dd062c1d74f3d4

Close this pull request.