chore(deps): bump util from 0.12.0 to 0.12.5

[wobsoriano]

Description

Bumps web3-core-requestmanager util dependency from v0.12.0 to v0.12.5. Mostly bug and security fixes happened from 0.12.0 to 0.12.5 and should not have any breaking changes. This could also fix the issue #4992.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist for 1.x:

• I have selected the correct base branch.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• Any dependent changes have been merged and published in downstream modules.
• I ran npm run dtslint with success and extended the tests and types if necessary.
• I ran npm run test:cov and my test cases cover all the lines and branches of the added code.
• I ran npm run build with success.
• I have tested the built dist/web3.min.js in a browser.
• I have tested my code on the live network.
• I have checked the Deploy Preview and it looks correct.
• I have updated the CHANGELOG.md file in the root folder.

[luu-alex]

Hi there @wobsoriano thanks for the PR it looks good. Can you remove the package-lock.json and dist folder changes? those shouldn't be included

[wobsoriano]

Done @luu-alex!

[luu-alex]

👍

[coveralls]

Pull Request Test Coverage Report for Build 3646032828

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 436 unchanged lines in 7 files lost coverage.
• Overall coverage decreased (-2.3%) to 72.264%

---

Files with Coverage Reduction	New Missed Lines	%
packages/web3-core-requestmanager/src/jsonrpc.js	2	82.76%
packages/web3-core-helpers/src/formatters.js	25	80.8%
packages/web3-core-helpers/src/errors.js	31	4.41%
packages/web3-utils/src/soliditySha3.js	55	5.13%
packages/web3-utils/src/index.js	58	36.89%
packages/web3-utils/src/utils.js	96	13.31%
packages/web3-eth-accounts/src/index.js	169	23.26%

Totals
Change from base Build 3642238283:	-2.3%
Covered Lines:	3415
Relevant Lines:	4446

---

💛 - Coveralls

[luu-alex]

Thank you for the contribution, it has been merged :) #5700