synchronize schema spec

[apmmachine]

What

APM agent json schema automatic sync

Why

Changeset

• elastic/apm-server@4457e3243 Map RUM PerformanceResourceTiming fields (Map RUM PerformanceResourceTiming fields apm-server#9429)

[apmmachine]

💚 Build Succeeded

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Build stats

• Start Time: 2022-10-25T07:11:46.352+0000

• Duration: 57 min 6 sec

Test stats 🧪

Test	Results
Failed	0
Passed	3173
Skipped	36
Total	3209

💚 Flaky test report

Tests succeeded.

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