JavaScript Tracker: bump git submodule to 2.6.1 (close #2708)
JavaScript Tracker: bump git submodule to 2.6.1 (close #2708)

RajeshHegde/snowplow,nakulgan/snowplow,haensel-ams/snowplow,Propertyfinder/snowplow,atotech/snowplow,sspinc/snowplow,RajeshHegde/snowplow,atotech/snowplow,TimothyKlim/snowplow,liveintent-berlin/snowplow,chuwy/snowplow-ci,Propertyfinder/snowplow,liveintent-berlin/snowplow,haensel-ams/snowplow,snowplow/snowplow,atotech/snowplow,chuwy/snowplow-ci,bigdecisions/snowplow,Propertyfinder/snowplow,sspinc/snowplow,sspinc/snowplow,snowplow/snowplow,liveintent-berlin/snowplow,TimothyKlim/snowplow,RajeshHegde/snowplow,liveintent-berlin/snowplow,bigdecisions/snowplow,simplybusiness/snowplow-fork,chuwy/snowplow-ci,simplybusiness/snowplow-fork,snowplow/snowplow,bigdecisions/snowplow,RetentionGrid/snowplow,sspinc/snowplow,haensel-ams/snowplow,snowplow/snowplow,nakulgan/snowplow,RajeshHegde/snowplow,simplybusiness/snowplow-fork,atotech/snowplow,TimothyKlim/snowplow,aldemirenes/snowplow,sspinc/snowplow,nakulgan/snowplow,nakulgan/snowplow,liveintent-berlin/snowplow,simplybusiness/snowplow-fork,bigdecisions/snowplow,nakulgan/snowplow,RetentionGrid/snowplow,acgray/snowplow,atotech/snowplow,acgray/snowplow,RetentionGrid/snowplow,TimothyKlim/snowplow,Propertyfinder/snowplow,sspinc/snowplow,simplybusiness/snowplow-fork,RetentionGrid/snowplow,aldemirenes/snowplow,haensel-ams/snowplow,aldemirenes/snowplow,aldemirenes/snowplow,acgray/snowplow,atotech/snowplow,acgray/snowplow,Propertyfinder/snowplow,haensel-ams/snowplow,acgray/snowplow,nakulgan/snowplow,Propertyfinder/snowplow,aldemirenes/snowplow,liveintent-berlin/snowplow,acgray/snowplow,chuwy/snowplow-ci,RetentionGrid/snowplow,bigdecisions/snowplow,chuwy/snowplow-ci,chuwy/snowplow-ci,RajeshHegde/snowplow,RajeshHegde/snowplow,bigdecisions/snowplow,TimothyKlim/snowplow,haensel-ams/snowplow,aldemirenes/snowplow,simplybusiness/snowplow-fork