Update custom fees using HTS & Mainnet support

Fixes:

• DCO in Sprint 53 (#1204)
• GitHub Actions versions added as comments
• Set Harden Runner as the first step in workflows
• Add permissions for contents read access in workflow files
• Add Harden Runner step to all publish jobs
• Versions

Chores:

• Update GitHub Actions workflow to use bash shell and add security checks
• Update pre-commit hook to use bash and add prettier check
• Rename extension to match other workflows
• Bump version
• Remove backup workflow file for publishing (#1223)

New Features:

• Update Hedera Wallet Connect version to 1.3.4
• Add support for Mainnet (#1222)
• Allow users update custom fees throw hedera token manager SC
• Allow users to manage Custom Fees Role

What's Changed

• Sprint 55 by @MiguelLZPF in #1231

Full Changelog: v1.26.1...v1.27.0