enforce memfd name format

[raphaelgavache]

Enforce memfd to have a suffix of 8 bytes with an ID. This was on spec, and is about to be used on datadog-agent
Matching java tracer fix: DataDog/dd-trace-java#9796

Changes

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[github-actions]

CODEOWNERS have been resolved as:

tests/parametric/test_process_discovery.py                              @DataDog/system-tests-core @DataDog/apm-sdk-capabilities