Bump javax.servlet-api from 3.1.0 to 4.0.1

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

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -338,7 +338,7 @@ under the License.
     <dependency>
       <groupId>javax.servlet</groupId>
       <artifactId>javax.servlet-api</artifactId>
-      <version>3.1.0</version>
+      <version>4.0.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>