Add 0.5.3 release document

releases/0.5.3.md

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+# pict-rs 0.5.3
+
+## Overview
+
+A quick release after 0.5.2 to add a default value for `use_tls`, and to fix launching pict-rs with
+postgres using commandline flags.
+
+### Bugfixes
+
+- [Semver Break in 0.5.2](#semver-break-in-0-5-2)
+- [Postgres Commandline Configuration Panic](#postgres-commandline-configuration-panic)
+
+
+## Upgrade Notes
+
+There's no significant changes from 0.5.2, so upgrading should be as simple as pulling a new version
+of pict-rs.
+
+
+## Descriptions
+
+### Semver Break in 0.5.2
+
+When adding TLS support to postgres in 0.5.2, I had forgotten to set a default value for the new
+`use_tls` configuration option, leading to postgres deployments no longer launching after upgrade.
+This has been fixed by setting it to `false` by default, which aligns with the previous behavior of
+not using TLS.
+
+
+### Postgres Commandline Configuration Panic
+
+When adding TLS support to postgres in 0.5.2, I had accidentally added two conflicting commandline
+arguments that expected to use `-u`. The first is for the postgres URL, and the second is for the
+`use_tls` setting. This caused panics when attempting to configure postgres with commandline flags.
+0.5.3 fixes this by changing `use_tls` to use the `-t` short flag, rather than `-u`.