Prepare for v1.4.0 (#74)

Author: RobertoPrevato

.github/workflows/build.yml

@@ -7,6 +7,10 @@ on:
         description: "Publish artifacts (Y|N)"
         required: true
         default: "N"
+      publish_to_test_pypi:
+        description: "Publish to TEST PyPi (Y|N)"
+        required: true
+        default: "N"
   release:
     types: [published]
   push:
@@ -109,6 +113,7 @@ jobs:
         run: |
           cd dist
           twine upload -r testpypi dist/*
+        if: github.event_name == 'workflow_dispatch' && github.event.inputs.publish_to_test_pypi == 'Y'
         env:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.test_pypi_password }}

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.4.0] - 2026-03-??
+## [1.4.0] - 2026-03-07 :copilot:
 
 - Add OAS 3.1 support, cross-version warnings, and fix nullable spacing, by @dcode.
 - Fix MARKDOWN style table separators to use minimum 3 hyphens (issue #39), reported by @michael-nok.