I just pushed an updated PKGBUILD, which makes it compatible with newer versions of ibazel (they moved the build target to a different directory).
However, I'm not seeing the same bazel version issue you're having. I'm also using bazel 7.3.1 and the build is succeeding on my computer.
==> Starting build()...
ERROR: The project you're trying to build requires Bazel 5.4.0 (specified in /home/qdii/.cache/yay/ibazel-git/src/bazel-watcher/.bazelversion), but it wasn't found in /usr/bin.
❯ bazel --version
bazel 7.3.1
Would it be possible to get an update? :)
it should probably conflict with ibazel, please add:
provides=('ibazel')
conflicts=('ibazel')