Send and receive custom headers during HTTPS CONNECT tunneling in Scrapy. Use when adding proxy headers to Scrapy spiders, configuring download handlers for proxy header support, or reading proxy response headers like X-ProxyMesh-IP.
Prepares a version bump in pyproject.toml, opens a PR from branch release/VERSION toward main with auto-merge, and coordinates with CI that publishes a GitHub Release when that branch merges. Use when the user invokes /release, /release VERSION, asks for a release PR, version bump, or release automation.