feat: add ERC4337 account / factory extensions

[joaquim-verges]

• expose signTransaction for embeddedWallet (user request)

---

PR-Codex overview

This PR focuses on adding ERC4337 extensions to the thirdweb package. It introduces new functions and types related to account permissions and transactions.

Detailed summary

• Added ERC4337 extensions
• New functions for date manipulation
• Implemented UUID generation
• Updated transaction handling in various files
• Added functions for managing admin and session key permissions

The following files were skipped due to too many changes: packages/thirdweb/src/extensions/erc4337/account/addSessionKey.ts, packages/thirdweb/src/extensions/erc721/write/sigMint.ts, packages/thirdweb/src/extensions/erc4337/account/common.ts, packages/thirdweb/src/exports/extensions/erc4337.ts, packages/thirdweb/src/extensions/erc4337/account/permissions.test.ts

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[changeset-bot]

🦋 Changeset detected

Latest commit: 5f630e2

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
thirdweb	Patch

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[codspeed-hq]

CodSpeed Performance Report

Merging #2606 will not alter performance

_{Comparing joaquim/session_keys (5f630e2) with main (7234e6b)}

Summary

✅ 9 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.83%. Comparing base (3aaad1e) to head (4a32a0c).
Report is 5 commits behind head on main.

❗ Current head 4a32a0c differs from pull request most recent head 5f630e2. Consider uploading reports for the commit 5f630e2 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2606       +/-   ##
===========================================
+ Coverage   13.15%   65.83%   +52.68%     
===========================================
  Files        1660      293     -1367     
  Lines      101135    10875    -90260     
  Branches      706     1570      +864     
===========================================
- Hits        13303     7160     -6143     
+ Misses      87815     3079    -84736     
- Partials       17      636      +619     

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[jnsdls]

LGTM minus the failing test