chore: set version to v0.3.0

Author: github-actions[bot]

CHANGELOG.md

@@ -0,0 +1,18 @@
+### What's changed in v0.3.0
+
+* chore(deps): update unbounded-tech/workflows-crossplane action to v2.16.0 (#2) (by @renovate[bot])
+
+  Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
+
+* chore(deps): update unbounded-tech/workflows-crossplane action to v2.17.0 (#4) (by @renovate[bot])
+
+  Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
+
+* feat: psql -> psql-stack, kind: PSQLStack, api: hops.ops.com.ai (by @patrickleet)
+
+* fix: test updates (by @patrickleet)
+
+* fix: test updates (by @patrickleet)
+
+
+See full diff: [v0.2.0...v0.3.0](https://github.com/hops-ops/psql-stack/compare/v0.2.0...v0.3.0)