Bump javax.servlet:javax.servlet-api in /migrator/migrator-servlet (#3117)

Bumps [javax.servlet:javax.servlet-api](https://github.com/javaee/servlet-spec) from 3.1.0 to 4.0.1.
- [Commits](https://github.com/javaee/servlet-spec/compare/3.1.0...4.0.1)

---
updated-dependencies:
- dependency-name: javax.servlet:javax.servlet-api
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mandlil <138015259+mandlil@users.noreply.github.com>

migrator/migrator-servlet/pom.xml

@@ -30,7 +30,7 @@
     <dependency>
       <groupId>javax.servlet</groupId>
       <artifactId>javax.servlet-api</artifactId>
-      <version>3.1.0</version>
+      <version>4.0.1</version>
       <type>jar</type>
       <scope>provided</scope>
     </dependency>