added hot reload to receptor config #3184

Job	Run time
lint-receptor	45s
container	2m 27s
receptor (Go 1.20)	3m 32s
receptor (Go 1.21)	6m 40s
Lint receptorctl / Run `receptorctl` check_format session	19s
Lint receptorctl / Run `receptorctl` check_style session	13s
Receptorctl test coverage (coverage)	1m 27s
Run receptorctl tests / Run `receptorctl` tests-3.10 session	1m 21s
Run receptorctl tests / Run `receptorctl` tests-3.11 session	1m 22s
Run receptorctl tests / Run `receptorctl` tests-3.12 session	1m 4s
Run receptorctl tests / Run `receptorctl` tests-3.8 session	1m 15s
Run receptorctl tests / Run `receptorctl` tests-3.9 session	1m 15s
	21m 40s

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