Safely merge options

[marcotc]

What does this PR do?
Provides a way for configuration overrides to be reliably merged and validated.

Change log entry

Additional Notes:

How to test the change?

[github-actions]

👋 Hey @marcotc, please fill "Change log entry" section in the pull request description.

If changes need to be present in CHANGELOG.md you can state it this way

**Change log entry**

Yes. A brief summary to be placed into the CHANGELOG.md

(possible answers Yes/Yep/Yeah)

Or you can opt out like that

**Change log entry**

None.

(possible answers No/Nope/None)

^{Visited at: 2024-12-09 23:47:53 UTC}

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-12-10 00:10:09

Comparing candidate commit 4d554d5 in PR branch merge-options-safe with baseline commit dc55301 in branch master.

Found 0 performance improvements and 1 performance regressions! Performance is the same for 30 metrics, 2 unstable metrics.

scenario:profiler - sample timeline=false

• 🟥 throughput [-0.693op/s; -0.683op/s] or [-10.519%; -10.358%]