[Backport 2.x] Add release notes for 2.14.0 (#693)

Add release notes for 2.14.0 (#690)


(cherry picked from commit 54a987a)

Signed-off-by: Daniel Widdis <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

release-notes/opensearch-flow-framework.release-notes-2.14.0.0.md

@@ -0,0 +1,21 @@
+## 2024-04-30 Version 2.14.0.0
+
+Compatible with OpenSearch 2.14.0
+
+### Enhancements
+- Add guardrails to default use case params ([#658](https://github.com/opensearch-project/flow-framework/pull/658))
+- Allow strings for boolean workflow step parameters ([#671](https://github.com/opensearch-project/flow-framework/pull/671))
+- Add optional delay parameter to no-op step ([#674](https://github.com/opensearch-project/flow-framework/pull/674))
+
+### Bug Fixes
+- Reset workflow state to initial state after successful deprovision ([#635](https://github.com/opensearch-project/flow-framework/pull/635))
+- Silently ignore content on APIs that don't require it ([#639](https://github.com/opensearch-project/flow-framework/pull/639))
+- Hide user and credential field from search response ([#680](https://github.com/opensearch-project/flow-framework/pull/680))
+- Throw the correct error message in status API for WorkflowSteps ([#676](https://github.com/opensearch-project/flow-framework/pull/676))
+- Delete workflow state when template is deleted and no resources exist ([#689](https://github.com/opensearch-project/flow-framework/pull/689))
+
+### Infrastructure
+- Switch macOS runner to macos-13 from macos-latest since macos-latest is now arm64 ([#686](https://github.com/opensearch-project/flow-framework/pull/686))
+
+### Refactoring
+- Improve error messages for workflow states other than NOT_STARTED ([#642](https://github.com/opensearch-project/flow-framework/pull/642))