[infra] Update .git-blame-ignore-revs

Change-Id: Iecfa43f02287d8a540663ed65ad26cdf31e0a19a
No-Try: true
No-Presubmit: true
No-Tree-Checks: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2082567Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66561}

.git-blame-ignore-revs

@@ -23,3 +23,6 @@ e50b49a0e38b34e2b28e026f4d1c7e0da0c7bb1a
 
 # Rewrite code base to use "." instead of "->" to access Object members.
 878ccb33bd3cf0e6dc018ff8d15843f585ac07be
+
+# Move test/mjsunit/regress-*.js => test/mjsunit/regress/
+cb67be1a3842fcf6a0da18aee444e3b7ea789e04