[CAT-1120] Some improvements to CI, Postman collection generation and typescript/axios templates

[dvacca-onfido]

Small improvements to CHANGELOG file entry generation (example):

diff --git a/CHANGELOG.md b/CHANGELOG.md
index db9e953..3a854bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v4.0.0 6th May 2024
+
+- Refresh library up to commit: [cb6cc84](https://github.com/onfido/onfido-openapi-spec/commit/cb6cc84c6a52185d7cbf1f7672afe5803915272f)
+
 ## v3.0.0 6th May 2024

Include a few updates to typescript/axios package.json template after:

• [CAT-1120] Improve npm release onfido-node#116
• Additional fix to npm delivery onfido-node#119

It calls npx prettier to improve formats of some generated files (package.json for typescript/axios and README.md files) and to Postman collection generation to create the Tasks folder.