Release v31.0.0

What's Changed

• Release 30.0.3 by @jakepurple13 in #788
• Release 30.0.4 by @jakepurple13 in #831
• Update gradle/gradle-build-action action to v2.5.0 by @renovate in #854
• Update gradle/gradle-build-action action to v2.5.1 by @renovate in #856
• [Final Testing Phase!] External apk test by @jakepurple13 in #871
• Update gradle/gradle-build-action action to v2.7.0 by @renovate in #865

Full Changelog: v30.0.4...v31.0.0