SPL math - v0.3.0

What's new

• Publish spl-math v0.3.0 by @github-actions[bot]
• Upgrade to Solana v2 (#6908) by @joncinque
• More type tests (#6713) by @a5-pickle
• Bump solana version to 1.18.11 (#6624) by @samkim-crypto
• Fix typos (#6518) by @xiaoxianBoy
• Fix some comments (#6318) by @cuishuang
• Upgrade to Solana 1.18.2 (#6278) by @samkim-crypto
• Upgrade to solana 1.17.17 (#6189) by @samkim-crypto
• Update solana dependency version to allow 2.0.0 (#6182) by @willhickey
• Token 2022: upgrade sdk to 1.17.13 (#6147) by @0x0ece
• Update to 1.17.6 (#5863) by @joncinque
• Format comments by @buffalojoec
• Format imports by @buffalojoec
• Use entrypoint full path by @buffalojoec
• Bump Solana crates to 1.16.16 (#5494) by @joncinque
• Bump repo to 1.16.13 (#5324) by @joncinque
• Add f64 powf and powi (#2463) by @joncinque
• Upgrade to solana 1.16.3 (#4679) by @samkim-crypto