fix: hec token validation issue in scripted inputs (#393)

This PR bumps the k8s-manifests-branch version from v3.3.2 to v3.4.1
related PR:
splunk/ta-automation-k8s-manifests#120

- [ ] `README.md` has been updated or is not required
- [ ] push trigger tests
- [ ] manual release test
- [ ] automated releases test
- [ ] pull request trigger tests
- [ ] schedule trigger tests
- [ ] workflow errors/warnings reviewed and addressed

-
https://github.com/splunk/splunk-add-on-for-unix-and-linux/actions/runs/14701563721

---------

Co-authored-by: Dmytro Kvashnin <dkvashnin@splunk.com>

Author: 2 people

.github/workflows/reusable-build-test-release.yml

@@ -39,7 +39,7 @@ on:
         required: false
         description: "branch for k8s manifests to run the tests on"
         type: string
-        default: "v3.3.3"
+        default: "v3.4.1"
       scripted-inputs-os-list:
         required: false
         description: "list of OS used for scripted input tests"