Isar v4 release build windows fails

[mrclauss]

Steps to Reproduce

Trigger release build.

error: failed to run custom build command for `mdbx-sys v0.0.0 (D:\a\isar\isar\packages\mdbx_sys)`

Caused by:
  process didn't exit successfully: `D:\a\isar\isar\target\release\build\mdbx-sys-f25058ecc33a1f64\build-script-build` (exit code: 101)
  --- stdout
  cargo:rerun-if-changed=build.rs

  --- stderr
  thread 'main' panicked at packages\mdbx_sys\build.rs:75:10:
  called `Result::unwrap()` on an `Err` value: Error { kind: NotFound, message: "program not found" }
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish...
mv: cannot stat 'target/x86_64-pc-windows-msvc/release/isar.dll': No such file or directory
Error: Process completed with exit code 1.

Code sample

Provide a few simple lines of code to show your problem.

Details

• Platform: iPhone 13 Pro, Galaxy S7, x86 Android Emulator on Windows etc.
• Flutter version: [e.g. 3.0.0]
• Isar version: [e.g. 2.5.0]

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• [ ] I searched for similar issues already
• [ ] I filled the details section with the exact device model and version
• [ ] I am able to provide a reproducible example

[mrclauss]

There's something different in the build agent environment between v4 and v3. The rust compiler doesn't find the make command in v4

[mrclauss]

Workaround is in place, some action/tool breaks the search path in the windows environment, effectively deleting mingw from the path