chore: Update zep-python dependency to stable version 2.0.0 in pyproject.toml #6142

Job	Run time
Should Run CI	1s
Filter Paths	8s
Test Docs Build	0s
Run Backend Tests / Integration Tests - Python 3.10	1m 43s
Run Backend Tests / Unit Tests - Python 3.10 - Group 1	2m 49s
Run Backend Tests / Test CLI - Python 3.10	4m 47s
Run Backend Tests / Unit Tests - Python 3.10 - Group 2	2m 36s
Run Backend Tests / Unit Tests - Python 3.10 - Group 3	2m 51s
Lint Backend / Run Mypy (3.12)	57s
Run Backend Tests / Unit Tests - Python 3.10 - Group 4	2m 40s
Lint Backend / Run Mypy (3.11)	55s
Run Backend Tests / Unit Tests - Python 3.10 - Group 5	2m 47s
Lint Backend / Run Mypy (3.10)	53s
Run Frontend Tests / Playwright Tests - Group 1	7m 25s
Run Frontend Tests / Playwright Tests - Group 2	8m 28s
Run Frontend Tests / Playwright Tests - Group 3	8m 10s
Run Frontend Tests / Playwright Tests - Group 4	7m 17s
Run Frontend Tests / Playwright Tests - Group 5	7m 43s
Run Frontend Tests / Playwright Tests - Group 6	8m 54s
Run Frontend Tests / Playwright Tests - Group 7	8m 8s
Run Frontend Tests / Playwright Tests - Group 8	8m 13s
Run Frontend Tests / Playwright Tests - Group 9	7m 42s
Run Frontend Tests / Playwright Tests - Group 10	7m 9s
Run Frontend Tests / merge-reports	5s
CI Success	1s
	1h 42m 22s

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