Prepare release 2.1.0 #380

Job	Run time
Run Slow or Expensive Tests (e.g. SaaS)?	30d 0h 0m 0s
Checks / Format Check	24s
Checks / Changelog Update Check	31s
Checks / Version	25s
Checks / Generate Build Matrix / python_versions	22s
Checks / Linting (Python-3.10)	24s
Checks / Docs	24s
Checks / Type Checking (Python-3.10)	33s
Checks / Security Checks (Python-3.10)	25s
Checks / Tests (Python-3.10) / tests-job	2m 14s
Gate 1 - Regular CI	2s
metrics / report	34s
Run Slow or Expensive Tests (e.g. SaaS) if Requested	0s
Gate 2 - Allow Merge	0s
	30d 0h 6m 18s

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