Add env var that allows customers to skip pip report

[pauld-msft]

Pip report causes customers to have their runs timeout. To immediately unblock customers, this adds the ability to not run pipreport detection. Investigating root cause in meantime

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 76.3%. Comparing base (5e496e3) to head (35884cd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1166 +/- ## ===================================== Coverage 76.3% 76.3% ===================================== Files 256 257 +1 Lines 11333 11350 +17 Branches 1138 1139 +1 ===================================== + Hits 8653 8670 +17 Misses 2348 2348 Partials 332 332 ```

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[github-actions[bot]]

👋 Hi! It looks like you modified some files in the Detectors folder. You may need to bump the detector versions if any of the following scenarios apply:

• The detector detects more or fewer components than before
• The detector generates different parent/child graph relationships than before
• The detector generates different devDependencies values than before

If none of the above scenarios apply, feel free to ignore this comment 🙂