Bump opensaml from 2.6.4 to 2.6.6 in /product-scenarios

Bumps opensaml from 2.6.4 to 2.6.6.

---
updated-dependencies:
- dependency-name: org.opensaml:opensaml
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

product-scenarios/pom.xml

@@ -98,7 +98,7 @@
         <identity.inbound.auth.saml.version>5.8.18</identity.inbound.auth.saml.version>
         <identity.user.ws.version>5.1.11</identity.user.ws.version>
         <identity.inbound.auth.oauth.version>6.4.98</identity.inbound.auth.oauth.version>
-        <opensaml.version>2.6.4</opensaml.version>
+        <opensaml.version>2.6.6</opensaml.version>
         <nimbusds.version>5.8.0.wso2v1</nimbusds.version>
         <nimbus.oidc.sdk.version>5.52</nimbus.oidc.sdk.version>
     </properties>