MinIO: Minor Release

## Highlights - Click [here](https://min.io/download) to download the latest version of MinIO. - Click [here](https://min.io/pricing) for production support. - add support to set subnet license for embedded console. See (#12993) for more details. - Improvements to tiering. See (#12965, #12982, #12933, #12926) for more details. - Improvements in LDAP. See (#12953, #12985) for more details. - Start gateway when KMS is enabled. See (#12808) for more details. - Improvements in listing. See (#12984, #12977, #12916, #12903) for more details. - Compress better on amd64 (#12974) (08/16/21) (Klaus Post) - Add admin api to return sys services info. See (#12939) for more details. - fix: deleteMultiObjects performance regression. See (#12951) for more details. - disallow sub-credentials based on root credentials to gain privileges. See (#12947) for more details. - Reuse small buffers. See (#12948, #12955) for more details. - Use metadata reader in ReadVersion. See (#12942) for more details. - use sync map instead of local DNS cache. See (#12925) for more details. - **NOTE**: It is advised that anyone upgrading from any release from 2020 should directly upgrade to RELEASE.2021-06-07T21-40-51Z - (*or any release prior to RELEASE.2021-05-11T23-27-41Z so that you can then directly upgrade to RELEASE.2021-06-07T21-40-51Z or later*). A healing issue that leads to premature truncation of objects when healing legacy content before versioning was introduced refer #12459, #12410, and #12451 ## Changelog - update console to v0.9.1 (08/17/21) (Harshavardhana) - doc: Add ilm prometheus metrics information (#12994) (08/17/21) (Krishnan Parthasarathi) - add support to set subnet license for embedded console (#12993) (08/17/21) (Harshavardhana) - Add prometheus metrics for ILM tasks (#12933) (08/17/21) (Krishnan Parthasarathi) - fix: typo in CONTRIBUTING.md (#12907) (08/17/21) (johnnyaug) - Set free-version id in case of version/version-suspended buckets (#12982) (08/17/21) (Krishnan Parthasarathi) - fix: various performance improvements to tiering (#12965) (08/17/21) (Harshavardhana) - always set the filter to skip navigating baseDir (#12984) (08/17/21) (Harshavardhana) - Remove default value of STSExpiry for LDAP (#12985) (08/17/21) (Aditya Manthramurthy) - Add helper script to call assume role (#12978) (08/17/21) (Aditya Manthramurthy) - Return list request when canceled (#12977) (08/16/21) (Klaus Post) - Compress better on amd64 (#12974) (08/16/21) (Klaus Post) - ldap: Reevalute filter when searching for non eligible users (#12953) (08/13/21) (Anis Elleuch) - Reuse more metadata buffers (#12955) (08/13/21) (Klaus Post) - Remove inline data hack (#12946) (08/13/21) (Klaus Post) - fix: http stats race in traffic metering (#12956) (08/13/21) (Klaus Post) - Add admin api to return sys services info (#12939) (08/13/21) (Shireesh Anjal) - fix: deleteMultiObjects performance regression (#12951) (08/12/21) (Harshavardhana) - pass the current credentials for claims (08/12/21) (Harshavardhana) - update console to latest release v0.9.0 (08/12/21) (Harshavardhana) - disallow sub-credentials based on root credentials to gain priviledges (#12947) (08/12/21) (Harshavardhana) - Reuse small buffers (#12948) (08/12/21) (Klaus Post) - Use metadata reader in ReadVersion (#12942) (08/12/21) (Klaus Post) - Add headers into AMQP notifications (#12911) (08/12/21) (Ricardo Katz) - Add dynamic reconfiguration of number of transition workers (#12926) (08/11/21) (Krishnan Parthasarathi) - fix: skip disks that are offline when healing the drives (#12931) (08/11/21) (Harshavardhana) - use sync map instead of local DNS cache (#12925) (08/10/21) (Harshavardhana) - fix: add more optimizations to putMetacacheObject() (#12916) (08/10/21) (Harshavardhana) - update max_delay to max_sleep under healing docs (08/10/21) (Harshavardhana) - Use common function for authenticating admin requests (#12915) (08/09/21) (Aditya Manthramurthy) - Simplify gzhttp wrapper (#12912) (08/09/21) (Klaus Post) - implement putMetacacheObject() optimizing List operations (#12903) (08/09/21) (Harshavardhana) - Skip downed interfaces on Windows (#12910) (08/09/21) (Klaus Post) - Start gateway when KMS is enabled and encryption is unsupported (#12808) (08/08/21) (Anis Elleuch) - use ParseForm() to allow query param lookups once (#12900) (08/07/21) (Harshavardhana)