Update dependency purs-backend-es to v1.4.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
purs-backend-es	1.3.2 -> 1.4.2

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Release Notes

aristanetworks/purescript-backend-optimizer (purs-backend-es)

v1.4.2: v1.4.2

Compare Source

• Fix effect loop codegen in branches (@​natefaubion #​97)

v1.4.1: v1.4.1

Compare Source

• Fixes issue with STArray handling of unsafeThaw, with regards to operations like unsafeFreeze >>> Array.length. This resulted in breaking Data.Array.nubBy.
• Fixes issue with unintended inlining of terms under a boolean negation.

v1.4.0: v1.4.0

Compare Source

• Optimize representations for enum ADTs to avoid object wrappers. (@​htmue #​44)
• Avoid materializing arrays when unnecessary, like records and data constructors. (@​natefaubion #​65)
• Propagate more information (eg. constructor tag or array length) for known data that may be behind a record, array, or data wrapper. (@​mikesol @​natefaubion #​64 #​73)
• Improve associative operator handling so const eval fires accurately in arbitrarily associated operator chains. (@​natefaubion #​77)
• Add a --trace-rewrites CLI option for observing rewrite passes the optimizer takes. (@​JordanMartinez #​55)
• Add a --timing flag for printing metrics. (@​natefaubion #​81 #​89 #​90)
• Performance improvements. (@​natefaubion #​86 #​88)

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