Separate minidump crashes from panics (#36267)

The minidump-based crash reporting is now entirely separate from our
legacy panic_hook-based reporting. This should improve the association
of minidumps with their metadata and give us more consistent crash
reports.

Release Notes:

- N/A

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>

Cargo.lock

@@ -4038,6 +4038,8 @@ dependencies = [
  "minidumper",
  "paths",
  "release_channel",
+ "serde",
+ "serde_json",
  "smol",
  "workspace-hack",
 ]