Add helper script to check if a list of dependencies is used

[nwmac]

Summary

Fixes #16068

Occurred changes and/or fixed issues

Adds a script to check if a list of dependencies is used.

Sample output:

./scripts/check-deps check.txt 
Dependency Checker
------------------
Checking dependencies listed in file: check.txt

Checking 2 packages to see if they are used...

Checking: rediff
Checking: solomon-api-stories

Check completed

None of the 2 specified package(s) are used by this project

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