Upgrade bazel version to 8.3.0

[marcmo]

originates from CR #133535

[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]
2025/07/25 14:57:04 Downloading https://releases.bazel.build/8.3.0/release/bazel-8.3.0-linux-x86_64...
Extracting Bazel installation...
Starting local Bazel server (8.3.0) and connecting to it...
INFO: Invocation ID: 2977d772-9c59-4f7e-871d-332ea731c12d
Computing main repo mapping: 
ERROR: Error computing the main repository mapping: module score_docs_as_code@0.5.0 not found in registries:
* https://raw.githubusercontent.com/eclipse-score/bazel_registry/main/modules/score_docs_as_code/0.5.0/MODULE.bazel: not found
* https://bcr.bazel.build/modules/score_docs_as_code/0.5.0/MODULE.bazel: not found
Computing main repo mapping: 

[MaximilianSoerenPollak]

We probably should not upgrade this.
And wait until version 1.0 exists to upgrade then.

[MaximilianSoerenPollak]

Changes have been merged in #32 as more changes were needed to upgrade to new docs version