[Sheriff] Fix bug number typo.

Followup to
https://chromium-review.googlesource.com/c/chromium/src/+/1730154

TBR=yhirano@chromium.org

Bug: 989717
Change-Id: I060adb383fed7b911cfc602ced6831da2a424d61
No-try: true
No-Presubmit: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1730898Reviewed-by: vitaliii <vitaliii@chromium.org>
Commit-Queue: vitaliii <vitaliii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683130}

third_party/blink/web_tests/TestExpectations

@@ -6469,7 +6469,7 @@ crbug.com/989878 [ Linux ] virtual/streaming-preload/http/tests/fetch/servicewor
 crbug.com/989878 [ Linux ] http/tests/fetch/serviceworker-proxied/thorough/scheme-blob-base-https-other-https.html [ Pass Failure ]
 crbug.com/989878 [ Linux ] virtual/blink-cors/http/tests/fetch/serviceworker-proxied/thorough/scheme-blob-base-https-other-https.html [ Pass Failure ]
 crbug.com/989756 [ Linux ] virtual/blink-cors/http/tests/fetch/serviceworker/thorough/redirect-password-base-https-other-https.html [ Pass Failure ]
-crbug.com/989756 [ Fuchsia ] http/tests/preload/avoid_delaying_onload_link_preload.html [ Pass Failure ]
+crbug.com/989717 [ Fuchsia ] http/tests/preload/avoid_delaying_onload_link_preload.html [ Pass Failure ]
 crbug.com/988074 [ Linux ] virtual/not-omt-sw-fetch/http/tests/security/cors-rfc1918/addressspace-serviceworker-basic.html [ Pass Failure ]
 crbug.com/988074 [ Linux ] virtual/omt-worker-fetch/http/tests/security/cors-rfc1918/addressspace-serviceworker-basic.html [ Pass Failure ]
 crbug.com/948167 [ Linux ] virtual/blink-cors/http/tests/fetch/serviceworker-proxied/thorough/redirect-nocors-base-https-other-https.html [ Pass Failure ]