Cherry pick into is-6_7_0: Set 6.7 release date.

# Conflicts:
#	whatsnew.htm

whatsnew.htm

@@ -48,7 +48,7 @@ For conditions of distribution and use, see <a href="files/is/license.txt">LICEN
 <details open="">
 <summary>Inno Setup 6.7</summary>
 
-<p><a name="6.7.0"></a><span class="ver">6.7.0-dev </span><span class="date">(?)</span></p>
+<p><a name="6.7.0"></a><span class="ver">6.7.0 </span><span class="date">(2026-01-06)</span></p>
 
 <p><b>Using Inno Setup commercially?</b> Please <a href="https://jrsoftware.org/isorder.php">purchase a license</a>.</p>