Bump email-ext from 2.77 to 2.96.1

Bumps [email-ext](https://github.com/jenkinsci/email-ext-plugin) from 2.77 to 2.96.1.
- [Release notes](https://github.com/jenkinsci/email-ext-plugin/releases)
- [Changelog](https://github.com/jenkinsci/email-ext-plugin/blob/master/CHANGELOG.adoc)
- [Commits](jenkinsci/email-ext-plugin@email-ext-2.77...email-ext-2.96.1)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:email-ext
  dependency-type: direct:production
...

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

pom.xml

@@ -61,7 +61,7 @@
         <credentials.version>2.3.13</credentials.version>
         <structs.version>1.20</structs.version>
         <workflow-job.version>2.40</workflow-job.version>
-        <email-ext.version>2.77</email-ext.version>
+        <email-ext.version>2.96.1</email-ext.version>
         <paho.version>1.2.5</paho.version>
     </properties>