Revert "feat(decoder): move cache to heap (#357)" (#485) #272

Job	Run time
linux-x86-deny	54s
linux-x86-ci-generated	12s
linux-native-ci-asm-chaos (ubuntu-latest)	1m 41s
linux-x86-ci (ubuntu-24.04-arm)	1m 53s
linux-native-ci-asm (ubuntu-24.04-arm)	1m 40s
linux-x86-ci (ubuntu-latest)	1m 39s
linux-native-ci-asm (ubuntu-latest)	1m 35s
linux-native-test-suite (ubuntu-24.04-arm)	3m 30s
linux-native-test-suite (ubuntu-latest)	3m 34s
linux-native-ci-asm-chaos (ubuntu-24.04-arm)	1m 31s
windows-x86-ci-asm	3m 36s
linux-native-test-spawn (ubuntu-latest)	1m 52s
linux-native-test-spawn (ubuntu-24.04-arm)	1m 45s
linux-arm-ci-asm	7m 19s
linux-fuzz	4m 9s
macos-x86-ci-asm	1m 38s
linux-arm-test-suite	5m 13s
	43m 41s

Provide feedback