Add context to DelatedKeyboardInterrupt

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 50.00000% with 11 lines in your changes missing coverage. Please review.

Project coverage is 67.18%. Comparing base (5905d03) to head (2381e27).

Files	Patch %	Lines
src/qcodes/utils/delaykeyboardinterrupt.py	38.88%	11 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6321 +/- ## ========================================== - Coverage 67.19% 67.18% -0.02% ========================================== Files 352 352 Lines 32155 32169 +14 ========================================== + Hits 21608 21614 +6 - Misses 10547 10555 +8 ```

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