v0.30.4

What's Changed

• Add maintenance notice to issue templates by @kkraus14 in #903
• Fix RMM EMM plugin module path by @bdice in #895
• Add support for Numba 0.66 by @bdice in #905
• Bump Version to 0.30.4 by @isVoid in #906

Full Changelog: v0.30.3...v0.30.4