update release notes and version for desispec/0.66.3 #5534

Job	Run time
Test coverage (ubuntu-latest, 3.10, <6, <2, <1.23)	7m 41s
API doc completeness test (ubuntu-latest, 3.9)	27s
Test minimal env (ubuntu-latest, 3.10)	48s
Doc test (ubuntu-latest, 3.9)	41s
Style check (ubuntu-latest, 3.9)	22s
Unit tests (ubuntu-latest, 3.9, ==5.0, ==1.1.6, <1.23)	5m 46s
Unit tests (ubuntu-latest, 3.9, ==5.0, <2, <1.23)	5m 29s
Unit tests (ubuntu-latest, 3.9, <6, ==1.1.6, <1.23)	5m 55s
Unit tests (ubuntu-latest, 3.9, <6, <2, <1.23)	5m 50s
Unit tests (ubuntu-latest, 3.10, ==5.0, ==1.1.6, <1.23)	6m 3s
Unit tests (ubuntu-latest, 3.10, ==5.0, <2, <1.23)	6m 14s
Unit tests (ubuntu-latest, 3.10, <6, ==1.1.6, <1.23)	5m 52s
Unit tests (ubuntu-latest, 3.10, <6, <2, <1.23)	5m 53s
	57m 1s

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