Fix memory leaks in actor cleanup

[GrigoryEvko]

Fixes memory leaks in actor lifecycle cleanup by ensuring all internal state is properly cleared when actors are stopped or complete.

Changes

• Clear eventListeners Map in Actor._complete() and Actor._reportError()
• Delete controllerMap entries in promise actors on XSTATE_STOP
• Clear receivers Set and delete instanceStates entries in callback actors on XSTATE_STOP

Testing

All existing tests pass (93 test files, 2046 tests passing, 100%).

[changeset-bot]

⚠️ No Changeset found

Latest commit: 71c9c0a

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[davidkpiano]

Nice, can you add a changeset? Just pnpm changeset and follow the instructions (patch)