[UNDERTOW-2653] Add back the servlet and websockets modules to CI, they have been removed by mistake

Signed-off-by: Flavia Rainone <[email protected]>

Author: fl4via

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        module: [core]
+        module: [core, servlet, websockets-jsr]
         jdk: [17, 21]
         openjdk_impl: [ temurin ]
         openssl: [false, true]