VersionAlert for Unity

[SPLB-315] Fixed a bug where the `DrawSplineTool` icon was missing in the tools overlay.
[STO-3434] Fixed a bug where the `DrawSplineTool` would prevent the use of the view tool.
[STO-3435] Fixed a bug where the `DrawSplineTool` would not display the tool settings anymore.
[SPLB-296] Fixed a bug where a log message would appear in the console when 2 knots are at the same position with 0-length tangents.
[SPLB-304] Fixed a bug where an exception would be thrown when using `SplineInstantiate` with linear distance instantiate method and multiple splines.
Fixed some failures related to the inline API documentation.
[SPLB-302] Fixed a bug where an exception would be thrown when adding a knot to a closed spline from inspector.
[SPLB-311] Fixed a bug where `SplineAnimate` component would not function properly with non-uniform scale transforms.
Fixed compilation errors in builds
[SPLB-310] Fixed mesh extrude not being saved when a change is applied to a mesh asset.
[SPLB-303] Fixed a bug where spline section foldout labels (shape extrude, geometry, advanced) did not unfold the sections when clicked.
[SPLB-294] Fixed a bug where adding new splines by using the `SplineContainer` inspector would dirty all open scenes.

com.unity.splines 2.7.2