rvx-builder v3.12.1

• chore: update packages
• feat: add compatibility with official ReVanced sources
• feat: add RVX fork preset to settings (ReX, RVX by anddea)
• feat: add PreRelease setting (allow fetch from dev branch)
• feat: match the mount script with the CLI command
• feat: specify MicroG (GmsCore) from custom source
• feat: update hard coded JDK version
• fix: exception caused by structure change in settings.json file when updating rvx-builder
• fix: remove warning dialog for Enable debugging patch
• fix: rvx-builder is not compatible with some custom sources
• fix: unable to load app list from APKMirror
• fix: unable to connect to Github API

⚠️ Caution: To patch the official ReVanced source in rvx-builder, you must keep revanced-cli as the 'inotia00' source, or remove the '~./revanced/revanced.keystore' file.
Otherwise, errors may occur during the signing process due to keystore incompatibility.