Roll Syzygy DEPS to v0.8.22.0

Changelog since v0.8.21.0:
[2662b3a8a2] SyzyAsan - More careful handling when freeing corrupt blocks.
[745955797d] SyzyAsan - Fix potential race when shutting down the deferred
             free thread.
[c86c6caeae] SyzyAsan - Fix overflow error in ShadowWalker for 4GB 32-bit
             processes.

R=siggi@chromium.org, chrisha@chromium.org

Review-Url: https://codereview.chromium.org/2395263004
Cr-Commit-Position: refs/heads/master@{#423874}

DEPS

@@ -928,7 +928,7 @@ hooks = [
     'action': ['python',
                'src/build/get_syzygy_binaries.py',
                '--output-dir=src/third_party/syzygy/binaries',
-               '--revision=734ae20be0862a6e1667f45d4fd4ceb2c430b2f6',
+               '--revision=1fcdf23259f4fbfcf200be20dc79e7567dde844e',
                '--overwrite',
                '--copy-dia-binaries',
     ],