Implement custom OpenTelemetry sampler to filter uninstrumented traces #24844

Job	Run time
target-branch-check	2s
Check for 'skip-ci' label	3s
check-code	12m 37s
check-msrv	5m 10s
lockbud	42s
release-tests-ubuntu	15m 41s
http-api-tests	19m 55s
fallback-simulator-ubuntu	15m 24s
beacon-chain-tests	12m 47s
network-tests	13m 2s
basic-simulator-ubuntu	18m 6s
ef-tests-ubuntu	6m 56s
op-pool-tests	7m 0s
slasher-tests	1m 14s
cargo-udeps	7m 17s
execution-engine-integration-ubuntu	8m 9s
state-transition-vectors-ubuntu	2m 32s
cargo-sort	21s
cli-check	10m 58s
compile-with-beta-compiler	14m 2s
debug-tests-ubuntu	4m 15s
test-suite-success	5s
	2h 56m 18s

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