feat(nano): block usage of more builtins

[glevco]

Motivation

The type() builtin is currently allowed on OCBs, but since it can be used to do introspection, getting the class of an object (which would equivalent to obj.__class__) and its metaclass, we should disallow unless we're sure it's safe.

Acceptance Criteria

• Disable type(), object(), and super() on OCBs.

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	feat/nano/block-type-builtin
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	1.67 m (+1.75%) Baseline: 1.64 m	1.48 m (88.45%)	1.81 m (92.50%)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.61%. Comparing base (b090d0c) to head (3964a13).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1344      +/-   ##
==========================================
- Coverage   85.63%   85.61%   -0.03%     
==========================================
  Files         424      424              
  Lines       32119    32119              
  Branches     4997     4997              
==========================================
- Hits        27506    27498       -8     
- Misses       3611     3617       +6     
- Partials     1002     1004       +2     

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