DEPS: fix version of fuchsia/sdk/core to avoid build error

This is a temporary workaround to avoid error like
https://ci.chromium.org/ui/p/crashpad/builders/try/crashpad_fuchsia_arm64_dbg/1299/overview

Bug:  41489832
Change-Id: Ia5404b5d7a2f01f53211fba7b8d602b9236ccbd3
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/5599904
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>

DEPS

@@ -140,7 +140,10 @@ deps = {
     'packages': [
       {
         'package': 'fuchsia/sdk/core/linux-amd64',
-        'version': 'latest'
+        # TODO: make this latest after fixing
+        # "`__Fuchsia_API_level__` must be set to a non-zero value. For Clang,
+        # use `-ffuchsia-api-level`." warning.
+        'version': 'git_revision:d3d0c14f2fd20ada2295330547340c226e61630c',
       },
     ],
     'condition': 'checkout_fuchsia and host_os == "linux"',