Capture scripts for Coverity Scan analysis

With the recent Coverity Scan 2021.12 version, Python 3 scripts are
being analyzed in addition to C files. The --fs-capture-search option
scripts for Coverity Scan analysis should be added to leverage this
feature.
81 jobs for 3138-capture-scripts-to-coverity-scan-v9_18 in 3 minutes and 7 seconds (queued for 3 seconds)