Remove `assert` as a reserved keyword #10183

Job	Run time
test-devcontainer	17m 13s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	5m 10s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin, release)	7m 9s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin, release)	11m 57s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe, release)	10m 54s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	6m 4s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	6m 1s
api-docs	2m 32s
pkg-pr-new	56s
test-integration-rewatch (ubuntu-24.04-arm)	2m 51s
test-integration-rewatch (ubuntu-24.04)	3m 58s
test-installation-pnpm (macos-15-intel)	41s
test-integration-rewatch (windows-2025)	7m 32s
test-installation-npm (macos-15-intel)	24s
test-installation-pnpm (windows-2025)	53s
test-installation-pnpm (ubuntu-24.04)	19s
test-installation-npm (windows-2025)	1m 4s
test-integration-rewatch (macos-15)	4m 41s
test-integration-rewatch (macos-15-intel)	7m 29s
test-installation-npm (macos-15)	20s
test-installation-pnpm (ubuntu-24.04-arm)	34s
test-installation-pnpm (macos-15)	23s
test-installation-npm (ubuntu-24.04-arm)	20s
test-installation-npm (ubuntu-24.04)	10s
publish	0s
	1h 39m 35s

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