fix: Avoid FPs for Symfony Polyfill as framework (#7543)

Author: sigv

core/src/main/resources/dependencycheck-base-suppression.xml

@@ -383,6 +383,13 @@
         <packageUrl regex="true">^pkg:composer/[^/]+/.*[\-_]php[0-9]*@.*$</packageUrl>
         <cpe>cpe:/a:php:php</cpe>
     </suppress>
+    <suppress base="true">
+        <notes><![CDATA[
+        FP per #7542
+        ]]></notes>
+        <packageUrl regex="true">^pkg:composer/symfony/polyfill-.*$</packageUrl>
+        <cpe>cpe:/a:sensiolabs:symfony</cpe>
+    </suppress>
     <suppress base="true">
         <notes><![CDATA[
         FP per #2957