INTPYTHON-851 - Add certifi where possible

[NoahStapp]

No description provided.

[blink1073]

Linter is failing:

In pymongo-search-utils/run.sh line 22:
export SSL_CERT_FILE=$($PYTHON_BINARY -c "import certifi; print(certifi.where())")
       ^-----------^ SC2155 (warning): Declare and assign separately to avoid masking return values.

[blink1073]

LGTM!