Fix window position drift during visibility toggles

Adjust CI dependency installs and parameters

Properly load checkbox value for "New tabs appear after the current tab"

Pin pypi push version in CI as well

Pin pypi publish to supported version

Bump versions and fix CI

Use pipenv builtin requirements instead of pipenv-to-requirements

Update linters

Ensure content is not None before using it.

Add releasenotes file

Call get_text_range in Save Content

release notes: consistency with other fix notes

Add `reno` release note

Makefile: relocate schema (re)compilation to after schema installation

Makefile: ensure schema compilation occurs before installation