use native arm github runner and oracle linux v8 to build arm64

[viceice]

benefits

• allow older glibc
• faster compile times

related

• Update readme with new glibc requirements #139

[robertsLando]

PR?

[viceice]

will try to send a pr later later

[viceice]

• feat: use native arm64 runner for aarch64 builds #142

💪