Create a new release built with go1.20.5

[jingyuanliang]

The current binaries were built with go 1.20.4 and have:

• https://nvd.nist.gov/vuln/detail/CVE-2023-29404
• https://nvd.nist.gov/vuln/detail/CVE-2023-29405
• https://nvd.nist.gov/vuln/detail/CVE-2023-29403
• https://nvd.nist.gov/vuln/detail/CVE-2023-29402

[Casey Callendrello]

We will cut a release soon enough, but none of these CVEs affect the CNI plugins at all. Three of them are for the go binary itself, and one of them is for setuid binaries, which the CNI plugins are not.