Various fixes & improvements
- chore: Disable codecov for master/release branches (#3384) by @hubertdeng123
- chore: replace old URLs of the repo with the new docs (#3375) by @victorelec14
- ref: span normalization allowed host config (#3245) by @aldy505
- docs: explicitly specify
mail.use-{tls,ssl}is mutually exclusive (#3368) by @aldy505 - ref: allow hosted js sdk bundles (#3365) by @aldy505
- fix(clickhouse): Allow nullable key (#3354) by @nikhars