bugfix 0.6: missing accesswidener for fabric

[MeeniMc]

Adds missing accessible field com/mojang/blaze3d/vertex/PoseStack$Pose trustedNormals Z

Fixes the following exception in production deployments.

java.lang.IllegalAccessError: class net.caffeinemc.mods.sodium.client.render.immediate.model.BakedModelEncoder tried to access field net.minecraft.class_4587$class_4665.field_48930 (net.caffeinemc.mods.sodium.client.render.immediate.model.BakedModelEncoder and net.minecraft.class_4587$class_4665 are in unnamed module of loader net.fabricmc.loader.impl.launch.knot.KnotClassLoader @604ed9f0)
	at net.caffeinemc.mods.sodium.client.render.immediate.model.BakedModelEncoder.writeQuadVertices(BakedModelEncoder.java:44) ~[sodium-fabric-1.20.6-0.6.0-snapshot+mc1.20.6-local.jar:?]
	at net.minecraft.class_918.renderBakedItemQuads(class_918.java:2595) ~[client-intermediary.jar:?]
	at net.minecraft.class_918.handler$ejo000$sodium$renderModelFast(class_918.java:2573) ~[client-intermediary.jar:?]

[MeeniMc]

@IMS212 this has been pending for some weeks now, is there a problem with this approach?

[IMS212]

Thanks!