[ bump ] Use newer compiler and pack collection #674

Job	Run time
Build DepTyCheck docs	20s
Prepare `pack`	7m 13s
Build thirdparties	2m 27s
Build DepTyCheck lib	2m 39s
Test DepTyCheck docs	2m 4s
Test DepTyCheck lib	18m 43s
Build PIL example	3m 0s
Aquire test sets for derivation	4s
Test DepTyCheck's derivation (arg-deps)	1m 13s
Test DepTyCheck's derivation (canonicsig)	1m 17s
Test DepTyCheck's derivation (cons-analysis)	1m 18s
Test DepTyCheck's derivation (derivation/core)	9m 14s
Test DepTyCheck's derivation (derivation/distribution)	6m 21s
Test DepTyCheck's derivation (derivation/infra)	9m 38s
Test DepTyCheck's derivation (derivation/least-effort/print/adt)	9m 23s
Test DepTyCheck's derivation (derivation/least-effort/print/gadt)	10m 46s
Test DepTyCheck's derivation (derivation/least-effort/print/regression)	4m 47s
Test DepTyCheck's derivation (derivation/least-effort/run/adt)	9m 16s
Test DepTyCheck's derivation (derivation/least-effort/run/gadt)	12m 52s
Test DepTyCheck's derivation (derivation/least-effort/run/regression)	3m 50s
Test DepTyCheck's derivation (inputvalidation)	1m 35s
Test DepTyCheck's derivation (up-to-renaming-ttimp-eq)	1m 28s
Test PIL example	1m 9s
	2h 0m 37s

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