Add upgrade 13 audit

[maurelian]

Description

Add readme entry and fix report (previously was the draft copy).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 42.28%. Comparing base (b89549c) to head (483036a).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #14652      +/-   ##
===========================================
- Coverage    46.68%   42.28%   -4.40%     
===========================================
  Files         1041      871     -170     
  Lines        89646    79664    -9982     
===========================================
- Hits         41850    33689    -8161     
+ Misses       44711    43056    -1655     
+ Partials      3085     2919     -166     

Flag	Coverage Δ
cannon-go-tests-32	?
cannon-go-tests-64	?
contracts-bedrock-tests	?

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see 175 files with indirect coverage changes