Add other cudf::strings::replace functions to current strings replace gbenchmark

[davidwendt]

Reference #5698

This builds off of PR #7369 to add cudf::strings::replace_slice and the multi-column version of cudf::strings::replace to the current gbenchmark that only measures scalar strings replace.

The current replace_scalar_benchmark.cpp is also renamed to replace_benchmark.cpp since it now handles more than the scalar replace.

[kkraus14]

cmake approval

[codecov]

Codecov Report

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  Hits                   ?    13953           
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[davidwendt]

@gpucibot merge