test: update certificates and private keys
The certificates in test fixtures were set to expire in 999 days since they were generated. That time has passed, and they have to be reissued. Bump expiration time to 9999 days for all of them to prevent this from happening again in near future.
Fix: #22182 (closed)
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines