Bug 1602735 - Update SeaMonkey website for 2.53.1 Beta 1 release - fix TB version in release notes. r=IanN

src/releases/seamonkey2.53.1/relnote.var

@@ -9,7 +9,7 @@
 [%- changes.sm.ver = "253" -%]
 [%- changes.sm.tm = "2.53"-%]
 [%- changes.tb.ver = "60" -%]
-[%- changes.tb.tm = "60.3" -%]
+[%- changes.tb.tm = "60.0" -%]
 [%- changes.fx.ver = "60.3" -%]
 [%- changes.fx.tm = "60.3" -%]
 [%- changes.sec.tm = "60.3" -%]