chore: changelog 3.1.4

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## v3.1.4
+
+### Bug fixes
+
+* [80ac2e3d6](https://github.com/api-platform/core/commit/80ac2e3d63883bd97569d049e182c061ba4453f9) fix(serializer): find parent class operation
+* [b6139234a](https://github.com/api-platform/core/commit/b6139234a1fde0265f9da93eefd1b71e90524f66) fix(metadata): default graphql operations on ApiResource only
+* [bd3ff68ce](https://github.com/api-platform/core/commit/bd3ff68ce6e312ad0beced1f3265fcc412206cb0) fix: missing PlaceholderAction service alias (#5429)
+
 ## v3.1.3
 
 ### Bug fixes