feat: add TimeSlave CIT with test scenarios

[gordon9901]

This PR adds TimeSlave component integration tests (part 2 of 4):

• Add pip_time_slave_venv hub for independent Python dependency management
• Add TimeSlave CIT covering sync acquisition, sync timeout, and time jump detection
• Add in-process FakeSocket and FakeIdentity stubs for GptpEngine testing without real network
• Fix target names for network_identity and raw_socket dependencies in test scenarios BUILD
• Fix include paths and base class names (RawSocket/NetworkIdentity) in test scenario sources

Part of #56

test QNX

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run //: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: ac93de46-2f0f-4b08-ba9e-3383c6785ed4
Computing main repo mapping: 
WARNING: /home/runner/work/time/time/MODULE.bazel:13:7: The attribute 'compatibility_level' in module() is a no-op and will be removed in a future Bazel release. Please remove it from your MODULE.bazel file.
Computing main repo mapping: 
Computing main repo mapping: 
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Loading: 
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Analyzing: target //:license-check (4 packages loaded, 0 targets configured)
Analyzing: target //:license-check (4 packages loaded, 0 targets configured)

Analyzing: target //:license-check (41 packages loaded, 10 targets configured)

Analyzing: target //:license-check (89 packages loaded, 10 targets configured)

Analyzing: target //:license-check (141 packages loaded, 2583 targets configured)

Analyzing: target //:license-check (152 packages loaded, 4949 targets configured)

Analyzing: target //:license-check (154 packages loaded, 8606 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (169 packages loaded, 11296 targets configured)

INFO: Analyzed target //:license-check (170 packages loaded, 11422 targets configured).
[12 / 16] JavaToolchainCompileClasses external/rules_java+/toolchains/platformclasspath_classes; 0s disk-cache, processwrapper-sandbox ... (2 actions running)
INFO: From Generating Dash formatted dependency file ...:
INFO: Successfully converted 2 packages from Cargo.lock to bazel-out/k8-fastbuild/bin/formatted.txt
[14 / 16] JavaToolchainCompileBootClasspath external/rules_java+/toolchains/platformclasspath.jar; 0s disk-cache, processwrapper-sandbox
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: 28.499s, Critical Path: 2.45s
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