fix: updated typings in HRE declaration and type errors in helpers

[jordaniza]

Description

Fixed HRE extension compiler warnings: changed module exports from hardhat/types -> hardhat/types/runtime. This also fixes type errors in all deploy scripts.

Added casting to fix 2 errors in the HH config and the networks file. I believe these are safe casts but we should discuss about having 2 separate SupportedNetworks enums when really we should have 1 coming from the commons.

Removed Arbitrum Goerli and added base and arb sepolia to the networks, to align with supported networks and thus allow us to correctly index the networks in hardhat.config.

The only oddity was having to add a chai listener for defi wonderland. This was required for me to run the test suite so would appreciate a sanity check on why that might be.

This addresses 2 tickets:

OS-1037
OS-1038

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• 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.
• My changes generate no new warnings.
• Any dependent changes have been merged and published in downstream modules.
• I ran all tests with success and extended them if necessary.
• I have updated the CHANGELOG.md file in the root folder.
• I have updated the DEPLOYMENT_CHECKLIST file in the root folder.
• I have updated the UPDATE_CHECKLIST file in the root folder.