minor #8384 Don't pass .ico through app.php (willemstuursma)

This PR was submitted for the master branch but it was merged into the 2.7 branch instead (closes #8384).

Discussion
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Don't pass .ico through app.php

.ico files should be rewritten too.

Commits
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cb035d7 Don't pass .ico through app.php

Author: xabbuh

deployment/azure-website.rst

@@ -417,7 +417,7 @@ application, configure it with the following content:
               <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." statusDescription="You do not have permission to view this directory or page using the credentials that you supplied." />
             </rule>
             <rule name="RewriteAssetsToPublic" stopProcessing="true">
-              <match url="^(.*)(\.css|\.js|\.jpg|\.png|\.gif)$" />
+              <match url="^(.*)(\.css|\.js|\.jpg|\.png|\.gif|\.ico)$" />
               <conditions logicalGrouping="MatchAll" trackAllCaptures="false">
               </conditions>
               <action type="Rewrite" url="web/{R:0}" />