build(deps-dev): Bump @flex-development/mkbuild from 1.0.0-alpha.20 t…

…o 1.0.0-alpha.21 (#212)

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package.json

@@ -80,7 +80,7 @@
     "@flex-development/commitlint-config": "1.0.1",
     "@flex-development/decorator-regex": "2.0.0",
     "@flex-development/esm-types": "2.0.0",
-    "@flex-development/mkbuild": "1.0.0-alpha.20",
+    "@flex-development/mkbuild": "1.0.0-alpha.21",
     "@flex-development/mlly": "1.0.0-alpha.16",
     "@flex-development/pathe": "2.0.0",
     "@flex-development/tsconfig-utils": "2.0.0",