Exclude 3rd party libs from LGTM checks (#8577)
Exclude 3rd party libs from LGTM checks (#8577)


SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,pbchou/trafficserver,pbchou/trafficserver,pbchou/trafficserver,duke8253/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,duke8253/trafficserver