Support go1.20.4 and go1.19.9 (#298)

[nguyengg]

#298

[nfisher]

While you're waiting for a merge:

cat > ~/.goenv/plugins/go-build/share/go-build/1.20.4 <<EOF
install_darwin_64bit "Go Darwin 64bit 1.20.4" "go1.20.4.darwin-amd64.tar.gz#242b099b5b9bd9c5d4d25c041216bc75abcdf8e0541aec975eeabcbce61ad47f"

install_darwin_arm "Go Darwin arm 1.20.4" "go1.20.4.darwin-arm64.tar.gz#61bd4f7f2d209e2a6a7ce17787fc5fea52fb11cc9efb3d8471187a8b39ce0dc9"

install_bsd_32bit "Go Freebsd 32bit 1.20.4" "go1.20.4.freebsd-386.tar.gz#66b1646786304553c5f3208d4b5ed4b3f227293728bfa5c7b5d9a3c5fa1312cb"

install_bsd_64bit "Go Freebsd 64bit 1.20.4" "go1.20.4.freebsd-amd64.tar.gz#24ee729660372fb408c34a11284daa6e17e43e1db4a5bee2a96b4b6d291edfc5"

install_linux_32bit "Go Linux 32bit 1.20.4" "go1.20.4.linux-386.tar.gz#5dfa3db9433ef6a2d3803169fb4bd2f4505414881516eb9972d76ab2e22335a7"

install_linux_64bit "Go Linux 64bit 1.20.4" "go1.20.4.linux-amd64.tar.gz#698ef3243972a51ddb4028e4a1ac63dc6d60821bf18e59a807e051fee0a385bd"

install_linux_arm_64bit "Go Linux arm 64bit 1.20.4" "go1.20.4.linux-arm64.tar.gz#105889992ee4b1d40c7c108555222ca70ae43fccb42e20fbf1eebb822f5e72c6"

install_linux_arm "Go Linux arm 1.20.4" "go1.20.4.linux-armv6l.tar.gz#0b75ca23061a9996840111f5f19092a1bdbc42ec1ae25237ed2eec1c838bd819"
EOF

[ChronosMasterOfAllTime]

LGTM