Add memory overhead test for the datastore #9759

Job	Run time
docs-paths-filter	3s
cpp-paths-filter	5s
python-paths-filter	4s
rust-paths-filter	5s
web-paths-filter	4s
Checks / Rerun lints	27s
Checks / Check if running codegen would produce any changes	1m 5s
Checks / Test Python Docs	27s
Checks / Spell Check	5s
Checks / Check links	18s
Checks / Misc formatting	23s
Update PR Body / Update PR body	19s
Rust Checks / Test on macOS and Windows	0s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	5m 34s
Deploy Landing Preview / Deploy	10s
Minimum CLI Build / Set Config (linux-x64)	2s
Python Checks / Python lints (ruff, mypy, …)	34s
Python Checks / Test Python Docs	27s
C++ tests / C++ formatting check	3m 19s
C++ tests / matrix_prep	3s
Build rerun_js / Build rerun_js	2m 1s
Build web viewer / Build web viewer	2m 1s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	3m 12s
C++ tests / C++ build & test - Linux x64, C++17	3m 10s
C++ tests / C++ build & test - Linux x64, C++20	3m 20s
C++ tests / C++ build & test - Windows x64	6m 40s
C++ tests / C++ build & test - Mac aarch64	8m 43s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	16s
Save PR Summary / Create HTML summary for PR	39s
Minimum Wheel Build / Set Config (linux-x64)	2s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	2m 18s
Minimum Wheel Test / Set Config (linux-x64)	2s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	2m 48s
	48m 46s

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