pg_stat_monitor.pgsm_normalized_query needs to be 0 by default because
people will get Query examples. This is one of the main user-faced
advantages of pgsm over pgss (pg_stat_statements).
This commit brings following changes to this branch:
1) Port changes/additions TAP testing from main branch to this branch, under PG-292.
2) Changes to test cases due to GUCs change, under PG-331.
3) Call counts verfications, under PG-338.
4) Changes to github workflows to accomodate automation for TAP testing, under PG-343.
This commit adds following three sql based testcases:
1) Test unique application name set by user.
2) Histogram function is working properly as desired.
3) Error on insert is shown with proper message.