chore(coverage): include Durable Storage crate in coverage report

[vapourismo]

This adds the octez-riscv-durable-storage crate in the Code Coverage report.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.56%. Comparing base (6b8df3c) to head (0fa6cbe).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #968      +/-   ##
==========================================
- Coverage   89.70%   89.56%   -0.14%     
==========================================
  Files         110      124      +14     
  Lines       22136    26367    +4231     
  Branches    22136    26367    +4231     
==========================================
+ Hits        19857    23616    +3759     
- Misses       1884     2131     +247     
- Partials      395      620     +225     

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[github-actions]

Benchmark results for revision 757a2b0:

Metric	Duration	TPS
Mean	1.516744968s	26.373
Worst	1.527599775s	26.185
Best	1.507191659s	26.539
Standard Deviation	±5.496748ms	±0.095

Full results

Run	Transfers	Duration	TPS
1	40	1.523759988s	26.251
2	40	1.517926454s	26.352
3	40	1.518140406s	26.348
4	40	1.52099363s	26.299
5	40	1.510335076s	26.484
6	40	1.51903677s	26.332
7	40	1.521504381s	26.290
8	40	1.517313202s	26.362
9	40	1.515156673s	26.400
10	40	1.512779493s	26.441
11	40	1.511753379s	26.459
12	40	1.516030612s	26.385
13	40	1.513955806s	26.421
14	40	1.518089199s	26.349
15	40	1.508366333s	26.519
16	40	1.513625934s	26.427
17	40	1.507191659s	26.539
18	40	1.513915036s	26.422
19	40	1.527599775s	26.185
20	40	1.527425549s	26.188

Compare the results above with those for the default branch.