Fix simd-scalar-lowering OWNERS to be current team members

Add gdeepti and bbudge, remove aseemgarg.

Change-Id: I87a9e0b36b1233aae5fb72d019e9b8b413d10f9e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1680799Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62432}

src/compiler/OWNERS

@@ -17,6 +17,7 @@ per-file wasm-*=gdeepti@chromium.org
 
 per-file int64-lowering.*=ahaas@chromium.org
 
-per-file simd-scalar-lowering.*=aseemgarg@chromium.org
+per-file simd-scalar-lowering.*=bbudge@chromium.org
+per-file simd-scalar-lowering.*=gdeepti@chromium.org
 
 # COMPONENT: Blink>JavaScript>Compiler