* Moves stable_log::program_invoke(), stable_log::program_success() and stable_log::program_failure() calls from bpf_loader into InvokeContext::process_executable_chain().
* Turns result of ProcessInstructionWithContext from InstructionError into Box<dyn std::error::Error>.
* Bump to solana_rbpf v0.3.0
* Removes Result from return type of EbpfVm::new().
* Turns EbpfError into Box<dyn std::error::Error>.
* Removes BpfError.
* Removes SyscallError::InstructionError.
* Adds a type alias for Box<dyn std::error::Error> in syscalls.
* Replaces assign_program() by replenish() in load_and_get_programs_from_cache().
* Replaces LoadedProgramEntry by a boolean.
* Only lock the global cache once all missing programs have been loaded
* Factors out call of self.rc.accounts.filter_executable_program_accounts().
* Find and load missing programs in LoadedPrograms cache
- filter program accounts in a transaction batch
- filter the accounts that are missing in LoadedPrograms cache
- load the programs before processing the transactions
- unit tests
* address review comments
* fix clippy
* address review comments
* fix test
* fix more tests