webnn: Support the convTranspose2d operator in CoreML
Cq-Include-Trybots: luci.chromium.try:mac14-blink-rel,mac14.arm64-blink-rel,win11-blink-rel
Bug: 41481333
Change-Id: I56aa46fb6fa2ec7d9c2d74f07266c288ecfe096f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5513193
Commit-Queue: Austin Sullivan asully@chromium.org
Reviewed-by: Phillis Tang phillis@chromium.org
Cr-Commit-Position: refs/heads/main@{#1297602}