chore: enable codecov comment on PRs #990

Job	Run time
Run Benchmark.Net .Net Benchmark Framework example	1m 20s
Run JavaScript benchmark example	35s
Run JMH Java Benchmark Framework example	1m 16s
Run Go benchmark example	45s
Run Julia benchmark example	1m 10s
Run Rust benchmark example	30s
Run Catch2 C++ Benchmark Framework example (v2.x)	38s
Run Pytest benchmark example	35s
Run Catch2 C++ Benchmark Framework example (v3.x)	1m 22s
Run alert check with actions/cache	36s
Run Google C++ Benchmark Framework example	30s
Run Criterion.rs benchmark example	2m 0s
Run unit tests	29s
Run linting and formatting check	17s
	12m 3s

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