chore: set version to v0.2.0

Author: github-actions[bot]

CHANGELOG.md

@@ -0,0 +1,10 @@
+### What's changed in v0.2.0
+
+* chore: readme (by @patrickleet)
+
+* feat(deps): update crossplane-contrib/function-auto-ready docker tag to v0.6.1 (#1) (by @renovate[bot])
+
+  Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
+
+
+See full diff: [v0.1.0...v0.2.0](https://github.com/hops-ops/stack-psql/compare/v0.1.0...v0.2.0)