Prepare release v0.2.1 (#149)

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### What

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Cargo.toml

@@ -1,7 +1,7 @@
 [workspace]
 resolver = "2"
 
-package.version = "0.2.0"
+package.version = "0.2.1"
 package.edition = "2021"
 
 members = [

changelog.md

@@ -8,6 +8,13 @@
 
 ### Fixed
 
+## [v0.2.1]
+
+### Added
+
+- Add subcommand `stored-procedures` to the `update` command to introspect stored procedures.
+
+
 ## [v0.2.0]
 
 ### Added
@@ -37,7 +44,8 @@
 
 <!-- end -->
 
-[Unreleased]: https://github.com/hasura/ndc-sqlserver/compare/v0.2.0...HEAD
+[Unreleased]: https://github.com/hasura/ndc-sqlserver/compare/v0.2.1...HEAD
+[v0.2.1]: https://github.com/hasura/ndc-sqlserver/releases/tag/v0.2.1
 [v0.2.0]: https://github.com/hasura/ndc-sqlserver/releases/tag/v0.2.0
 [v0.1.2]: https://github.com/hasura/ndc-sqlserver/releases/tag/v0.1.2
 [v0.1.1]: https://github.com/hasura/ndc-sqlserver/releases/tag/v0.1.1