Update dependency cognite-sdk to v7.68.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cognite-sdk	==7.32.0 -> ==7.68.0

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[codecov]

Codecov Report

Merging #110 (b56fbc2) into main (22517c4) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #110   +/-   ##
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  Coverage   97.78%   97.78%           
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  Files           8        8           
  Lines         452      452           
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  Hits          442      442           
  Misses         10       10