VersionAlert for Unity

`math.fmod` in combination with a Burst job compiled with `FloatPrecision.Low` will now generate a more optimized low-precision version of the function.
Burst now respects the checkbox "Enable Armv9 Security Features for Arm64" in the Player settings, making Android builds generate PAC/BTI instructions if enabled.
In Burst AOT Settings, only the relevant CPU Architectures dropdowns for the current build target and architecture are now displayed
The callstack of the invalid external call is now included when reporting BC1091
Changed so code is focused when branch arrows are present.
Changed so Burst reported errors are not collapsible.

An Internal Compiler Error that could occur if a function that requires a struct ret (due to ABI) has been discarded by other logic.
Fixed a bug with locally declared array variables in functions where storing `null` into them could cause invalid codegen.
Fixed a bug in Burst player builds where sufficiently complicated Bursted code could cause a deadlock deep within LLVM.
Fixed that UWP builds wouldn't respect the specified "Target SDK Version" and "Visual Studio Version" settings
Fixed Burst inspector sometimes freezing when selecting between blocks.
Fixed the Burst Inspector sometimes becoming unresponsive when selecting text.
Fixed a race condition with the Burst log timings such that previously reported results could be included in subsequently reported timings.
Fixed the managed fallbacks for `bzhi` and `bextr` to match what the native hardware instructions do.
Fixed a bug in the static readonly constant expression evaluation (what we call the IL interpreter) whereby it would not truncate unsigned integers correctly.
Fixed incorrect code-gen when a function is both used normally and as a function-pointer

The PDB path associated with the Windows Player dll is incorrect, resulting in broken symbols.

com.unity.burst 1.8.0