v2.15.0

• dbdd54a refactor: const hygiene
• 00ce052 feat(evm): Restore EVM Oracle precompile with Sai-Backed wasm plugin (#2621)
• 36723fd test(evm-e2e): Use descriptive wait timeouts instead of ethers tx.wait for easier test debugging and less hanging (#2620)
• 31c3e91 build: Working version with Wasmer panic fix (#2618)
• a1867f3 refactor: Improve release asset URL convention in build.mk
• d67459f ci: Add upgrade handler for v2.14.1
• f964ff7 fix(cli): Emit JSON from base64-decode
• c60e650 build: Add Darwin support with newer libwasvm and wasmer engine v5
• 7291d87 build: Working version with Wasmer panic fix; no darwin builds yet