[8.x](backport #4361) Change CA generation in tests to avoid using SHA1 #4399
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What is the problem this PR solves?
Tests ran with
GODEBUG=fips140=only
will panic due to CA SubjectKeyId generation using SHA1 by default.How does this PR solve the problem?
Populate SubjectKeyId with value generated by other algorithm; copied implementation from elastic/elastic-agent-libs#263
How to test this PR locally
GODEBUG=fips140=only gotip test ./...
Design Checklist
I have ensured my design is stateless and will work when multiple fleet-server instances are behind a load balancer.I have or intend to scale test my changes, ensuring it will work reliably with 100K+ agents connected.I have included fail safe mechanisms to limit the load on fleet-server: rate limiting, circuit breakers, caching, load shedding, etc.Checklist
I have commented my code, particularly in hard-to-understand areasI have made corresponding changes to the documentationI have made corresponding change to the default configuration filesI have added tests that prove my fix is effective or that my feature worksI have added an entry in./changelog/fragments
using the changelog toolThis is an automatic backport of pull request Change CA generation in tests to avoid using SHA1 #4361 done by Mergify.