refactor: improve tests reliability

[glevco]

Motivation

We had some tests running code that differs from what runs in production, so this PR addresses this by removing said code to make sure tests and production run equally.

Notably all BlueprintTestCase tests, which are a great deal of nano-related tests, were using the memory trie instead of the RocksDB trie.

Acceptance Criteria

• Change way vertices are propagated with the DAGBuilder to use always use the vertex_handler.on_new_relayed_vertex, instead of a manual call to an internal method, which differed from what is called in production. The new_relayed_vertex arg, which was unused, is removed.
• Remove MemoryNodeTrieStore and NCMemoryStorageFactory which are not used in production, and update tests accordingly.
• Refactor the TestRunner so it's responsible for building its own dependencies.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[github-actions]

Bencher Report

Branch	refactor/tests-reliability
Testbed	ubuntu-22.04

Click to view all benchmark results

Benchmark	Latency	Benchmark Result minutes (m) (Result Δ%)	Lower Boundary minutes (m) (Limit %)	Upper Boundary minutes (m) (Limit %)
sync-v2 (up to 20000 blocks)	📈 view plot 🚷 view threshold	2.01 m (+15.75%) Baseline: 1.73 m	1.56 m (77.75%)	2.08 m (96.46%)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.06%. Comparing base (23df2df) to head (a899921).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1458      +/-   ##
==========================================
- Coverage   86.10%   86.06%   -0.04%     
==========================================
  Files         437      437              
  Lines       33987    33967      -20     
  Branches     5316     5315       -1     
==========================================
- Hits        29264    29235      -29     
- Misses       3678     3684       +6     
- Partials     1045     1048       +3     

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