TaskVine executor: add parsl serialize module to default library context (#3902)

# Description

This improves task throughput for taskvine serverless by caching the
serialize module and base function definition in the library.

# Changed Behaviour

All workflows using TaskVine

# Fixes

Minor update to PR #3604

## Type of change

Choose which options apply, and delete the ones which do not apply.

- Performance improvement

FYI @colinthomas-z80 @benclifford

---------

Co-authored-by: Ben Clifford <[email protected]>

Author: dthain

parsl/executors/taskvine/manager.py

@@ -6,6 +6,7 @@
 import subprocess
 import uuid
 
+import parsl
 from parsl.executors.taskvine import exec_parsl_function
 from parsl.executors.taskvine.utils import VineTaskToParsl, run_parsl_function
 from parsl.process_loggers import wrap_with_logs
@@ -255,7 +256,8 @@ def _taskvine_submit_wait(ready_task_queue=None,
                                                                      run_parsl_function,
                                                                      poncho_env=poncho_env_path,
                                                                      init_command=manager_config.init_command,
-                                                                     add_env=add_env)
+                                                                     add_env=add_env,
+                                                                     hoisting_modules=[parsl.serialize, run_parsl_function])
 
                     # Configure the library if provided
                     if manager_config.library_config: