v4.0.0

• chore: synchronize with upstream v4.0.0 00c4298
• 4.0.0 28d8269
• chore(CHANGELOG): update to v4.0.0 acbc7e7
• deps: update to lezer-feel@3.0.0 64735b0
• chore(CHANGELOG): add missing title 81f9e3c
• deps: update codemirror* dependencies 6d9515e
• chore: update to min-dom@5.3.0 2d68ecf
• deps: update to @lezer/common@1.5.2 c02261a
• deps: update to lezer-feel@2.4.0 0d3dfd3
• chore: update eslint* d53d59c
• chore: update test dependencies e35eed7
• chore: replace dependency karma-chrome-launcher with karma-chrome-launcher-2 ^3.3.0 159a96a

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v3.0.0...v4.0.0