ci: add semantic pull request title linting (#2006) #333

Job	Run time
default-checks / build	1m 56s
default-checks / test	4m 41s
default-checks / ibc-test	2m 42s
default-checks / fuzz	3m 21s
default-checks / validate-internal-testnet-genesis	4m 30s
default-checks / validate-protonet-genesis	2m 0s
lint-checks / golangci-lint	3m 43s
lint-checks / proto-lint / Check Proto	50s
publish-internal	9m 57s
docker / docker-rocksdb	36s
docker / docker-goleveldb	25m 21s
post-pipeline-metrics / metric-pipeline-result	7s
	59m 44s

Provide feedback