refactor(hydro_lang)!: rename timestamp to atomic and provide batching shortcuts #7926

Job	Run time
pre_job	6s
Lint and Check (ubuntu-latest, pinned-nightly)	3m 49s
Check WebAssembly (pinned-nightly)	33s
Lint and Check (windows-latest, pinned-nightly)	11m 35s
Build Website	7m 40s
Docs (rustdoc)	3m 5s
Test Suite (ubuntu-latest, pinned-nightly)	10m 59s
Test Suite (WebAssembly) (pinned-nightly)	4m 6s
Benchmarks	0s
	41m 53s

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