docs: Remove rspack.core <1.6.0 constraint (#745) #21

Job	Run time
Code checks / Spell check	7s
Code checks / Actions lint check	37s
Doc checks / Doc checks / Docs check	58s
Tests	0s
Code checks / Lint check / Lint check (3.14)	16s
Code checks / Lint check / Lint check (3.12)	11s
Code checks / Lint check / Lint check (3.10)	9s
Code checks / Type check / Type check (3.14)	13s
Code checks / Type check / Type check (3.11)	18s
Code checks / Type check / Type check (3.13)	13s
Code checks / Lint check / Lint check (3.11)	9s
Code checks / Lint check / Lint check (3.13)	10s
Code checks / Type check / Type check (3.10)	9s
Code checks / Type check / Type check (3.12)	10s
Release prepare	0s
Changelog update	0s
PyPI publish	0s
Doc release post publish	0s
Doc release / Doc release	1m 36s
	5m 16s

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