[MBS] [ANN] 25.2pr7

Hi, * Updated DynaPDF to version 4.0.100.285. * Added krfPremulAlpha constant to DynaPDFRasterImageMBS class. * Added ShouldTerminate event and SetExecutionTimeLimit method to JSContextMBS class. Greetings Christian — See you at the EngageU conference 9th to 11th November 2025 in Antwerpen, Belgium https://engageu.eu/