[READY FOR REVIEW] MONGOID-5666 Bugfix: Define #resizable class method for Set #3520

Job	Run time
ruby-3.2 drv:current db:6.0 rails: fle: replica_set	12m 31s
ruby-3.1 drv:current db:6.0 rails: fle: replica_set	13m 17s
ruby-3.0 drv:current db:6.0 rails: fle: replica_set	12m 34s
ruby-3.0 drv:stable db:6.0 rails: fle: replica_set	12m 30s
ruby-3.1 drv:current db:6.0 rails:7.0 fle:helper server	11m 35s
ruby-3.1 drv:current db:6.0 rails:6.1 fle:helper server	11m 35s
ruby-3.0 drv:current db:6.0 rails:7.0 fle:helper server	11m 34s
ruby-3.0 drv:current db:6.0 rails:6.1 fle:helper server	11m 19s
ruby-3.0 drv:current db:6.0 rails:6.0 fle:helper server	11m 35s
jruby-9.4 drv:current db:6.0 rails:6.0 fle:helper server	19m 25s
ruby-3.1 drv:current db:5.0 rails: fle: replica_set	12m 49s
ruby-2.7 drv:current db:4.4 rails: fle: replica_set	12m 24s
ruby-2.7 drv:current db:4.0 rails: fle: replica_set	11m 56s
ruby-2.7 drv:current db:3.6 rails: fle: replica_set	11m 25s
	2h 56m 29s

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