Add test for feat_req__lifecycle__shutdown_signal

[TimoSteuerwaldETAS]

Part of #317
Test which verifies that the Launch Manager shuts a process down by sending a SIGTERM and, if the process does not terminate itself in time, escalates to a SIGKILL.

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run --lockfile_mode=error //:license-check

Status: ⚠️ Needs Review

Click to expand output

[License Check Output]
Extracting Bazel installation...
Starting local Bazel server (8.6.0) and connecting to it...
INFO: Invocation ID: 059c9ff6-a558-45c5-894d-723891bbf03e
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Analyzing: target //:license-check (1 packages loaded, 0 targets configured)
Analyzing: target //:license-check (1 packages loaded, 0 targets configured)

Analyzing: target //:license-check (31 packages loaded, 10 targets configured)

Analyzing: target //:license-check (88 packages loaded, 10 targets configured)

Analyzing: target //:license-check (144 packages loaded, 779 targets configured)

Analyzing: target //:license-check (157 packages loaded, 6228 targets configured)

Analyzing: target //:license-check (162 packages loaded, 6249 targets configured)

Analyzing: target //:license-check (167 packages loaded, 6298 targets configured)

Analyzing: target //:license-check (169 packages loaded, 6612 targets configured)

Analyzing: target //:license-check (174 packages loaded, 11409 targets configured)

Analyzing: target //:license-check (174 packages loaded, 11409 targets configured)

INFO: Analyzed target //:license-check (175 packages loaded, 11535 targets configured).
[14 / 16] [Prepa] JavaToolchainCompileBootClasspath external/rules_java+/toolchains/platformclasspath.jar
[15 / 16] Building license.check.license_check.jar (); 0s disk-cache, multiplex-worker
INFO: Found 1 target...
Target //:license.check.license_check up-to-date:
  bazel-bin/license.check.license_check
  bazel-bin/license.check.license_check.jar
INFO: Elapsed time: 26.790s, Critical Path: 2.52s
INFO: 16 processes: 12 internal, 3 processwrapper-sandbox, 1 worker.
INFO: Build completed successfully, 16 total actions
INFO: Running command line: bazel-bin/license.check.license_check ./formatted.txt <args omitted>
usage: org.eclipse.dash.licenses.cli.Main [-batch <int>] [-cd <url>]
       [-confidence <int>] [-ef <url>] [-excludeSources <sources>] [-help] [-lic
       <url>] [-project <shortname>] [-repo <url>] [-review] [-summary <file>]
       [-timeout <seconds>] [-token <token>]

[github-actions]

The created documentation from the pull request is available at: docu-html

[danth]

Looks good!