[chore]:Reuse API update - Migration from dep5 file to TOML file.

[sap-ospo-bot]

The PR is fixing and updating the Reuse compliance to match the recent Reuse API Specification - we remove the dep5 file and migrate to the toml file. For more details please read the Reuse Specification

[akudev]

@ajinkyapatil8190 As long as the PR does not pass the checks and even the commit message does not meet the requirements, you will not get a positive review.

[cla-assistant[bot]]

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[akudev]

This needs some more work

[akudev]

Alright, this was more work than expected, but is done now. Beyond the pure migration to REUSE.toml I had to remove the old and wrong "legal stuff copying mechanism".