composer.json: add reset:integration-services script
composer.json: add reset:integration-services script

This is a convenience script for when the test mysql database gets
corrupted and needs to be reset (which is not handled by the similar
rebuild:integration-services script).

smrealms/smr,hemberger/smr,smrealms/smr,hemberger/smr,hemberger/smr,smrealms/smr,hemberger/smr