chore(pkg): new major release (2.0.0)

CHANGELOG.md

+## Version 2.0.0 (2023-07-07)
+### 🎉 New features
+
+- pkg: upgrade CW version to CW4 and add cubicweb-web dependency
+  *BREAKING CHANGE*: upgrade CW version to CW4 and add cubicweb-web dependency
+- run flynt on the code base to convert everything into f-strings
+- run pyupgrade
+
+### 🤖 Continuous integration
+
+- that tox option is now named allowlist_externals
+
 ## Version 1.12.0 (2022-11-24)
 ### 🎉 New features
 

cubicweb_link/__pkginfo__.py

@@ -4,7 +4,7 @@
 modname = "link"
 distname = f"cubicweb-{modname}"
 
-numversion = (1, 12, 0)
+numversion = (2, 0, 0)
 version = ".".join(str(num) for num in numversion)
 
 license = "LGPL"