chore: add release notes file

Author: bryaningl3

.releases/4.60.0.md

@@ -0,0 +1,5 @@
+**New Features**
+
+* Added `shutdown` function to MySQL `Client` class.
+* Updated `S3Provider.upload` function to allow object to be written without an ACL (by using `none` for `acl` parameter).
+* Updated `S3Provider.uploadObject`  function to allow object to be written without an ACL (by using `none` for `acl` parameter).