Reland "roll upstream iOS bots to Xcode 15 beta 5"

This reverts commit b6b9333b.

Reason for revert: After updating recipe with a work around for the issue that caused the compile failures this should be ready for reland. Work around here:
https://chromium-review.googlesource.com/c/chromium/tools/build/+/4752143

Original change's description:
> Revert "roll upstream iOS bots to Xcode 15 beta 5"
>
> This reverts commit 83984993.
>
> Reason for revert: Suspected culprit for tree closure
>
> Failing build: https://ci.chromium.org/ui/p/chromium/builders/ci/ios-simulator/86408/overview
>
> Reason for suspicion: The error logs refer to `TOOL_VERSION=1686184975 python3 ../../build/toolchain/ios/compile_xcassets.py -p 'ios' -e 'simulator' -t '15.0'`
>
> Original change's description:
> > roll upstream iOS bots to Xcode 15 beta 5
> >
> > Bug: 1469994
> > Change-Id: I27eeb068be5c57cc0be805ebddc32f03cded8140
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4748683


> > Reviewed-by: Justin Cohen <justincohen@chromium.org>
> > Commit-Queue: Will Yeager <wyeager@google.com>
> > Reviewed-by: Haiyang Pan <hypan@google.com>
> > Cr-Commit-Position: refs/heads/main@{#1179747}
>
> Bug: 1469994
> Change-Id: Id9d68ee77986d74cea7b33b544685aaba3af7209
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4753835


> Reviewed-by: Katie Dektar <katie@chromium.org>
> Commit-Queue: Paul Adedeji <pauladedeji@google.com>
> Owners-Override: Paul Adedeji <pauladedeji@google.com>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Owners-Override: Katie Dektar <katie@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1179783}

Bug: 1469994
Change-Id: Ide6b6b5d188a95b47701fd258fc8fbc844621948
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4752876


Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Will Yeager <wyeager@google.com>
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1180446}