Release 0.21.4 (#1106)

> [!IMPORTANT]
> Merging this pull request will create this release

## Fixes

### Allow OpenAPI 3.1-style `exclusiveMinimum` and `exclusiveMaximum`

Fixed by PR #1092. Thanks @mikkelam!

### Add missing `cast` import when using `const`

Fixed by PR #1072. Thanks @dorcohe!

### Correctly resolve references to a type that is itself just a single
allOf reference

PR #1103 fixed issue #1091. Thanks @eli-bl!

### Support `const` booleans and floats

Fixed in PR #1086. Thanks @flxdot!

Co-authored-by: knope-bot[bot] <152252888+knope-bot[bot]@users.noreply.github.com>

Author: knope-bot[bot]

.changeset/add_backward_compatibility_for_exclusiveminimum_and_exclusivemaximum.md

@@ -13,6 +13,26 @@ Programmatic usage of this project (e.g., importing it as a Python module) and t
 
 The 0.x prefix used in versions for this project is to indicate that breaking changes are expected frequently (several times a year). Breaking changes will increment the minor number, all other changes will increment the patch number. You can track the progress toward 1.0 [here](https://github.com/openapi-generators/openapi-python-client/projects/2).
 
+## 0.21.4 (2024-08-25)
+
+### Fixes
+
+#### Allow OpenAPI 3.1-style `exclusiveMinimum` and `exclusiveMaximum`
+
+Fixed by PR #1092. Thanks @mikkelam!
+
+#### Add missing `cast` import when using `const`
+
+Fixed by PR #1072. Thanks @dorcohe!
+
+#### Correctly resolve references to a type that is itself just a single allOf reference
+
+PR #1103 fixed issue #1091. Thanks @eli-bl!
+
+#### Support `const` booleans and floats
+
+Fixed in PR #1086. Thanks @flxdot!
+
 ## 0.21.3 (2024-08-18)
 
 ### Features

.changeset/add_missing_cast_import_when_using_const.md

@@ -18,7 +18,7 @@ dependencies = [
     "typing-extensions>=4.8.0,<5.0.0",
 ]
 name = "openapi-python-client"
-version = "0.21.3"
+version = "0.21.4"
 description = "Generate modern Python clients from OpenAPI"
 keywords = [
     "OpenAPI",