v3.4.0b14

What's Changed

• Move test dependencies into pyproject.toml (PEP735) by @dairiki in #1252
• Small cleanups/refactors/features in pluginsystem by @dairiki in #1253
• fix(builder): stop treating @ as virtual by default by @do3cc in #1223
• add hint when it cannot find a project. by @cav71 in #1257
• build(deps): bump minimatch in /frontend by @dependabot[bot] in #1256
• build: use npm install --no-save to avoid dirty git source by @yagebu in #1254
• frontend: use node native test runner; modernise build script by @yagebu in #1259
• Fix.issue 1229 include hidden by @dairiki in #1251
• update frontend deps by @yagebu in #1260
• (CI) Disuse codecov.io by @dairiki in #1192
• build(deps-dev): bump undici from 7.22.0 to 7.24.1 in /frontend by @dependabot[bot] in #1264
• build(deps-dev): bump immutable from 5.1.4 to 5.1.5 in /frontend by @dependabot[bot] in #1263
• build(deps): bump picomatch in /frontend by @dependabot[bot] in #1266
• build(deps-dev): bump flatted from 3.3.4 to 3.4.2 in /frontend by @dependabot[bot] in #1265

Full Changelog: v3.4.0b13...v3.4.0b14