chore(release/hugr-py-0.12.4): release hugr-py 0.12.4 (#2407)

🤖 I have created a release *beep* *boop*
---


##
[0.12.4](hugr-py-v0.12.3...hugr-py-v0.12.4)
(2025-07-03)


### Bug Fixes

* stringify metadata before escaping in renderer
([#2405](#2405))
([1f01e97](1f01e97))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Author: hugrbot

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-    "hugr-py": "0.12.3"
+    "hugr-py": "0.12.4"
 }

hugr-py/CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.12.4](https://github.com/CQCL/hugr/compare/hugr-py-v0.12.3...hugr-py-v0.12.4) (2025-07-03)
+
+
+### Bug Fixes
+
+* stringify metadata before escaping in renderer ([#2405](https://github.com/CQCL/hugr/issues/2405)) ([1f01e97](https://github.com/CQCL/hugr/commit/1f01e97696afe02b46eedb2c6e3e2f2369a4ac7b))
+
 ## [0.12.3](https://github.com/CQCL/hugr/compare/hugr-py-v0.12.2...hugr-py-v0.12.3) (2025-07-03)
 
 

hugr-py/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "hugr"
-version = "0.12.3"
+version = "0.12.4"
 requires-python = ">=3.10"
 description = "Quantinuum's common representation for quantum programs"
 license = { file = "LICENCE" }

hugr-py/src/hugr/__init__.py

@@ -18,4 +18,4 @@
 
 # This is updated by our release-please workflow, triggered by this
 # annotation: x-release-please-version
-__version__ = "0.12.3"
+__version__ = "0.12.4"