test

Add rbs for `Grammar::Type` and `Grammar::Symbols::Resolver` #1110

Job	Run time
test-memory (head)	28s
check-misc (head)	11s
steep-check (head)	19s
test-ruby (head, master)	5m 19s
test-windows (head)	2m 32s
test-ruby (3.0, master)	5m 6s
test-ruby (2.7, master)	5m 30s
ruby-versions / Generate Ruby versions	4s
test (2.5)	21s
test (2.6)	26s
test (2.7)	26s
test (3.0)	11s
test (3.1)	11s
test (3.2)	10s
test (3.3)	11s
test (head)	10s
	21m 35s

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