added configuring of device mount permissions in udev discovery handler #726

[bindsi]

What this PR does / why we need it:
This PR adds configuration options for the device mount permissions in the udev discovery handler.

Corresponding doc PR project-akri/akri-docs#116

If applicable:

• this PR has an associated PR with documentation in akri-docs
• this PR contains unit tests
• added code adheres to standard Rust formatting (cargo fmt)
• code builds properly (cargo build)
• code is free of common mistakes (cargo clippy)
• all Akri tests succeed (cargo test)
• inline documentation builds (cargo doc)
• all commits pass the DCO bot check by being signed off -- see the failing DCO check for instructions on how to retroactively sign commits

[bindsi]

@yujinkim-msft can you add maybe @kate-goldenring as reviewer as she requested/suggested configuring of device mount permissions...I cannot do it so far...maybe we can discuss that I could become "maintainer" too.

• would be great to merge this quickly as I also resolved some of the errors in the validation workflows caused by an old rust toolchain version, unfortunately using the latest 1.84 doesn´t work as it would require some code changes due to breaking changes and yaserde cannot be used as it...so was updating to 1.81 which is the min-version required by some of our dependencies.

[kate-goldenring]

Just one small improvement. Please also add default overriding configuration to the Helm lint files for pods and jobs. Thanks for adding this!

[bindsi]

Just one small improvement. Please also add default overriding configuration to the Helm lint files for pods and jobs. Thanks for adding this!

@kate-goldenring Thanks for the review and feedback. I added test test, your validation suggestion and the defaults for the lint files.
Created the issue for the webhook checks here: #738

[kate-goldenring]

One final nit suggestion on the test but LGTM