support MODULE.bazel for identifying workspace root

[klandergren]

Describe the bug
ibazel does not appear to support finding the workspace root of a project with just a MODULE.bazel file (e.g. no WORKSPACE or WORKSPACE.bazel). As far as I can tell this is a valid repo structure for bazel 7.

Reproduction instructions
klandergren/ibazel-no-workspace-file shows a minimal go project that works using bazel 7 but does not work with ibazel Version 0.24.0.

Steps to reproduce the behavior:

1. git clone https://github.com/klandergren/ibazel-no-workspace-file
2. ibazel run //hello:hello
3. See error

iBazel [6:27PM]: Querying for files to watch...
iBazel [6:27PM]: Error finding workspace: ibazel was not invoked from within a workspace

iBazel [6:27PM]: Error querying for source files: ibazel was not invoked from within a workspace

iBazel [6:27PM]: Error finding workspace: ibazel was not invoked from within a workspace

iBazel [6:27PM]: Error querying for source files: ibazel was not invoked from within a workspace

iBazel [6:27PM]: Running //hello:hello
Computing main repo mapping:
Loading:
Loading: 0 packages loaded
Analyzing: target //hello:hello (0 packages loaded, 0 targets configured)
INFO: Analyzed target //hello:hello (0 packages loaded, 671 targets configured).
 checking cached actions
INFO: Found 1 target...
 checking cached actions
 checking cached actions

INFO: Elapsed time: 0.373s, Critical Path: 0.00s
 checking cached actions
INFO: 0 processes.
 checking cached actions
INFO: Build completed successfully, 0 total actions
INFO: Analyzed target //hello:hello (0 packages loaded, 0 targets configured).
INFO: Found 1 target...
Target //hello:hello up-to-date:
  bazel-bin/hello/hello_/hello
INFO: Elapsed time: 0.532s, Critical Path: 0.29s
INFO: 6 processes: 4 internal, 2 darwin-sandbox.
INFO: Build completed successfully, 6 total actions
iBazel [6:27PM]: Starting...
iBazel [6:27PM]: Error finding workspace: ibazel was not invoked from within a workspace

Kips-MBP:ibazel-no-workspace-file klandergren$ 2024/03/06 18:27:57 hello world

Expected behavior
ibazel to find the workspace root via MODULE.bazel

Actual behavior
ibazel walks the directory tree and does not find the root

Version:

• OS: MacOS 13.6.4
• Browser: chrome
• ibazel Version: iBazel - Version 0.24.0
• Bazel version:

Bazelisk version: development
Build label: 7.0.2
Build target: @@//src/main/java/com/google/devtools/build/lib/bazel:BazelServer
Build time: Thu Jan 25 16:22:05 2024 (1706199725)
Build timestamp: 1706199725
Build timestamp as int: 1706199725

Additional context
I am new to bazel so if I am mistaken re: WORKSPACE/WORKSPACE.bazel no longer required please close this issue.

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