[lacros] Update lacros QA qualified version

This CL will update lacros version in //chrome/LACROS_QA_QUALIFIED_VERSION. This
file will be used in Upreving the RootFS-Lacros in the CROS image.

If this CL caused regressions, please revert and pause the autoroller at
https://luci-scheduler.appspot.com/jobs/chrome/lacros-qa-qualified-tracking-roller
Also please file a bug to OS>LaCrOS>Partner, and CC svenzheng@chromium.org.

R=rubber-stamper@appspot.gserviceaccount.com

Change-Id: I30bc6be4ff0ad8415a4d670ba5665710f9df0d3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4950930
Auto-Submit: lacros-tracking-roller@chops-service-accounts.iam.gserviceaccount.com <lacros-tracking-roller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5993@{#1329}
Cr-Branched-From: 5113507-refs/heads/main@{#1192594}

chrome/LACROS_QA_QUALIFIED_VERSION

@@ -1 +1 @@
-118.0.5993.70
+118.0.5993.88