Write-locked graph storage implementation for faster bulk loaders

[ljeub-pometry]

What changes were proposed in this pull request?

Adds write-locked views for the underlying graph storage which should enable faster bulk loaders

Why are the changes needed?

Does this PR introduce any user-facing change? If yes is this documented?

How was this patch tested?

Issues

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Are there any further changes required?

[github-actions]

⚠️ Performance Alert ⚠️

Possible performance regression was detected for benchmark 'Rust Benchmark'.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 2.

Benchmark suite	Current: 27bfa2b	Previous: fcf885a	Ratio
lotr_graph/iterate nodes	13073 ns/iter (± 43)	4433 ns/iter (± 111)	2.95
lotr_graph_window_100/iterate nodes	13297 ns/iter (± 48)	4446 ns/iter (± 133)	2.99
lotr_graph_window_10/iterate nodes	15005 ns/iter (± 71)	5861 ns/iter (± 130)	2.56
lotr_graph_subgraph_10pc/num_nodes	31351 ns/iter (± 622)	15384 ns/iter (± 1182)	2.04
lotr_graph_subgraph_10pc/iterate nodes	11483 ns/iter (± 63)	3163 ns/iter (± 85)	3.63
lotr_graph_subgraph_10pc_windowed/iterate nodes	11644 ns/iter (± 70)	3375 ns/iter (± 41)	3.45
lotr_graph_subgraph_10pc_windowed/iterate edges	17294 ns/iter (± 67)	8390 ns/iter (± 178)	2.06
lotr_graph_window_50_layered/iterate nodes	16398 ns/iter (± 9)	7938 ns/iter (± 82)	2.07
lotr_graph_persistent_window_50_layered/num_nodes	37338 ns/iter (± 3689)	16261 ns/iter (± 244)	2.30

This comment was automatically generated by workflow using github-action-benchmark.

[fabianmurariu]

LGTM