Remove peers as required field

What's Changed

• [chore] update circleci by @shrimalmadhur in #96
• Update README and CONTRIBUTING files by @racbc in #92
• Update text in Issue Templates by @racbc in #97
• Fix rosetta-cli link to correct repo by @racbc in #98
• replace CircleCI with gh actions by @irisZhangCB in #102
• Remove peers as a required field in NetworkStatusResponse by @racbc in #103
• (chore) Update API version to 1.4.13 by @racbc in #105

Full Changelog: v1.4.12...v1.4.13