update(config): clarify deprecation notices + list all env vars #2265

Job	Run time
fetch-version / fetch-version	1m 50s
build-dev / build-and-test	5m 43s
build-dev-minimal-arm64 / build-and-test	2m 35s
build-dev-minimal / build-and-test	3m 8s
build-dev-packages / build-modern-bpf-skeleton	2m 17s
build-dev-packages / build-macos-package	9m 2s
build-dev-packages / build-musl-package	25m 29s
build-dev-packages / build-wasm-package	4m 55s
build-dev-packages / build-win32-package	7m 37s
build-dev-packages-arm64 / build-modern-bpf-skeleton	2m 14s
build-dev-packages-arm64 / build-musl-package	0s
build-dev-packages-arm64 / build-win32-package	0s
build-dev-packages-arm64 / build-macos-package	0s
build-dev-packages-arm64 / build-wasm-package	0s
build-dev-packages / build-packages	21m 12s
build-dev-packages-arm64 / build-packages	18m 16s
check-engine-checksum	4s
check-engine-version	3s
test-dev-packages / test-packages	2m 22s
test-dev-packages (static) / test-packages	1m 10s
test-dev-packages-arm64 / test-packages	1m 7s
	1h 49m 4s

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