chore(deps): bump process to 1.6.0

[AlexanderLanin]

no lockfile update, as process 1.6.0 is not released yet

"1.6.0" confirmed in process meeting.

Plan:

• merge this PR
• create docs as code 4.5.0
• publish to registry
• update dependency in process to 4.5.0
• create process 1.6.0
• publish to registry

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run --lockfile_mode=error //src: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: 062f8e13-1c6d-469a-ad79-ff71c4f81b03
Computing main repo mapping: 
ERROR: Error computing the main repository mapping: Missing checksum for registry file https://raw.githubusercontent.com/eclipse-score/bazel_registry/main/modules/score_process/1.6.0/MODULE.bazel not permitted with --lockfile_mode=error. Please run `bazel mod deps --lockfile_mode=update` to update your lockfile.

[MaximilianSoerenPollak]

Approved knowingly red, this is needed. 💯