Release lading 0.20.6

This commit releases lading 0.20.6. The most notable change is the inclusion of
procfs `smaps` data for monitored processes.

Signed-off-by: Brian L. Troutwine <brian.troutwine@datadoghq.com>

CHANGELOG.md

@@ -6,20 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
-## [0.20.6-rc3]
-### Fixed
-- Final RC for smaps parsing logic, no significant changes from rc2.
-
-## [0.20.6-rc2]
-### Fixed
-- Fixes some bugs in the initial smaps parsing logic, renames metrics to
-  `smaps.*`
-
-## [0.20.6-rc1]
+## [0.20.6]
 ### Added
-- Adds experimental /proc/<pid>/smap parsing to add very detailed memory usage
+- Adds `/proc/<pid>/smap` parsing to add very detailed memory usage.
 
-## [0.20.6-rc0]
 ### Fixed
 - Fixed a bug in CLI key/value parsing where values might be incorrectly parsed
   as key/value pairs if they held lading's delimiter character.

lading/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lading"
-version = "0.20.6-rc3"
+version = "0.20.6"
 authors = ["Brian L. Troutwine <brian.troutwine@datadoghq.com>", "George Hahn <george.hahn@datadoghq.com"]
 edition = "2021"
 license = "MIT"