Fix: updating remote config manager to send process_tags as an array

[crysmags]

What does this PR do?

Fixes a bug in remote config where the tracer was sending process_tags as an object, but the Agent expects an array of strings.

[Error: [RC] Error in request]
NoTransmitError: Error from http://127.0.0.1:8136/v0.7/config: 400 Bad Request. Response from the endpoint: "json: cannot unmarshal object into Go struct field ClientTracer.client.client_tracer.process_tags of type []string
"

[github-actions]

Overall package size

Self size: 4.39 MB
Deduped: 5.21 MB
No deduping: 5.21 MB

Dependency sizes

| name | version | self size | total size | |------|---------|-----------|------------| | import-in-the-middle | 2.0.0 | 68.46 kB | 797.03 kB | | dc-polyfill | 0.1.10 | 26.73 kB | 26.73 kB |

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.51%. Comparing base (2681a5e) to head (431a05f).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7180   +/-   ##
=======================================
  Coverage   84.51%   84.51%           
=======================================
  Files         525      525           
  Lines       22492    22489    -3     
=======================================
- Hits        19008    19007    -1     
+ Misses       3484     3482    -2     

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[pr-commenter]

Benchmarks

Benchmark execution time: 2026-01-06 20:59:10

Comparing candidate commit 431a05f in PR branch crysmags/processtags-fix with baseline commit 2681a5e in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 293 metrics, 27 unstable metrics.

[BridgeAR]

The serialize method is now not used anymore as far as I can tell (besides in tests)