[pkg/ottl] Add Second converter (#37082) #48599

Job	Run time
setup-environment	4m 2s
loadtest (TestIdleMode)	4m 3s
loadtest (TestLog10kDPS\|TestLogOtlpSendingQueue)	7m 38s
loadtest (TestLogLargeFiles\|TestLargeFileOnce)	10m 9s
loadtest (TestMemoryLimiterHit\|TestMetric10kDPS)	5m 44s
loadtest (TestMetricsFromFile\|TestMetricResourceProcessor)	4m 0s
loadtest (TestSyslogComplementaryRFC5424\|TestSyslogComplementaryRFC3164)	3m 7s
loadtest (TestTrace10kSPS\|TestTrace10kSPSJaegerGRPC)	6m 39s
loadtest (TestTraceNoBackend10kSPS\|TestTrace1kSPSWithAttrs)	5m 18s
loadtest (TestTraceAttributesProcessor\|TestTraceAttributesProcessorJaegerGRPC)	3m 51s
update-benchmarks	0s
	54m 31s

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