Bump Temporal Version, Add execution limits & Remove local activities

[HamadaSalhab]

[!IMPORTANT] Update Temporal version, add execution limits, and replace local activities with standard activities.

• Temporal Version Update:
  • Updated temporalio version in pyproject.toml to >=1.8.
• Execution Limits:
  • Added frontend.MaxExecutionCountBatchOperationPerNamespace and frontend.MaxConcurrentBatchOperationPerNamespace to temporal-postgres.yaml.
• Local Activities Removal:
  • Replaced workflow.execute_local_activity with workflow.execute_activity in storage_handler.py and task_execution/__init__.py.

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