Prepare for next development version 2.4.0 (SkyAPM#635)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

build/version.props

@@ -1,7 +1,7 @@
 <Project>
     <PropertyGroup>
         <VersionMajor>2</VersionMajor>
-        <VersionMinor>3</VersionMinor>
+        <VersionMinor>4</VersionMinor>
         <VersionPatch>0</VersionPatch>
         <VersionQuality></VersionQuality>
         <VersionPrefix>$(VersionMajor).$(VersionMinor).$(VersionPatch)</VersionPrefix>