Do not show client warning when code action process is killed (#3051)

* Do not show client warning when code action process is killed

* Update changelog

Include deep-copy as a production dependency

Update CL

Bump changelog

Update CHANGELOG

Fix badly removed YAML

Bunp changelog

Bunp changelog

fix: alternative template path for code templates (#2873)

* fix: alternative template path for code templates

* Fix phpstan false positive.

* Change names.

Removing code duplication (#2861)