Add data-sort-value for better sorting on Special:Tags

Due to the word "change" within the cell of the hitcounters, the
tablesorter does not detect a number type. Adding the raw hitcounter as
sort-value lets the tablesorter choose the number sorting.

Bug: 51742
Change-Id: I6704e73fdd1f5c2744e18251d8b9ef0f68938841
Merge "Add data-sort-value for better sorting on Special:Tags"