aarch64: allocate a larger stack for the kernel #34

Job	Run time
lint-docs	56s
build-kernel-x86_64 (dev, --all-features)	42s
build-limine-x86_64 (dev, --all-features)	44s
build-limine-aarch64 (dev, --all-features)	43s
build-kernel-x86_64 (dev, --no-default-features)	44s
build-kernel-aarch64 (dev, --all-features)	40s
build-limine-aarch64 (dev, --no-default-features)	42s
build-kernel-x86_64 (release, --all-features)	52s
build-kernel-aarch64 (dev, --no-default-features)	45s
build-limine-aarch64 (release, --all-features)	41s
build-kernel-x86_64 (release, --no-default-features)	46s
build-limine-x86_64 (dev, --no-default-features)	41s
build-kernel-aarch64 (release, --all-features)	43s
build-limine-aarch64 (release, --no-default-features)	42s
build-limine-x86_64 (release, --all-features)	46s
build-kernel-aarch64 (release, --no-default-features)	42s
build-limine-x86_64 (release, --no-default-features)	48s
lint-clippy	48s
lint-python	5s
lint-rustfmt	32s
unit-test	35s
	14m 37s

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