Updating tools/ucsc_blat from version 472 to 481 (galaxyproject#6989)

Co-authored-by: planemo-autoupdate <planemo-autoupdate@users.noreply.github.com>

Author: gxydevbot

tools/ucsc_blat/blat.xml

@@ -1,7 +1,7 @@
 <tool id="ucsc_blat" name="UCSC BLAT Alignment Tool" version="@TOOL_VERSION@+galaxy@VERSION_SUFFIX@">
     <description>BLAST-like sequence alignment tool</description>
     <macros>
-        <token name="@TOOL_VERSION@">472</token>
+        <token name="@TOOL_VERSION@">481</token>
         <token name="@VERSION_SUFFIX@">0</token>
 
         <xml name="mask_cond" tokens="maskarg,label,help">