rollback pylint to 3.0.2 #29

Job	Run time
opentelemetry-api	42s
opentelemetry-exporter-opencensus	39s
opentelemetry-getting-started	1m 4s
opentelemetry-opencensus-shim	45s
opentelemetry-opentracing-shim	45s
opentelemetry-proto-protobuf5	30s
opentelemetry-sdk	47s
opentelemetry-semantic-conventions	35s
opentelemetry-exporter-otlp-combined	47s
opentelemetry-exporter-otlp-proto-common	39s
opentelemetry-exporter-otlp-proto-grpc	52s
opentelemetry-exporter-otlp-proto-http	43s
opentelemetry-exporter-prometheus	37s
opentelemetry-exporter-zipkin-combined	37s
opentelemetry-exporter-zipkin-json	40s
opentelemetry-propagator-b3	37s
opentelemetry-exporter-zipkin-proto-http	41s
opentelemetry-propagator-jaeger	36s
opentelemetry-test-utils	36s
	13m 12s

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