Bump javax.servlet:javax.servlet-api in /etw/etw-testapp

Bumps [javax.servlet:javax.servlet-api](https://github.com/javaee/servlet-spec) from 3.0.1 to 4.0.1.
- [Commits](javaee/servlet-spec@3.0.1...4.0.1)

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

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

Author: dependabot[bot]

etw/etw-testapp/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 }
 
 dependencies {
-  compileOnly("javax.servlet:javax.servlet-api:3.0.1")
+  compileOnly("javax.servlet:javax.servlet-api:4.0.1")
   // TODO (trask) ETW: is this project really needed? if so, need to restore devtest configuration
   // compileOnly(project(path:":agent:agent", configuration:"devtest"))
   compileOnly(project(path: ":agent:agent"))