Deblob release 0.9

Haelwenn (lanodan) Monnier (8):
      Add -c option, returning non-zero when blobs were found
      README: Only need a POSIX.1-2024 compatible make(1)
      test/fixtures/README: fix spelling of optional
      Add short name to identify the kind of blob
      chdir() after parsing options
      Add -j option
      Prefix all error messages with "deblob: error: "
      deblob.1: document JSON output format

lauren n. liberda (1):
      add support for Dart Kernel and JIT snapshots