pipx 1.7.0 on Python PyPI

What's Changed

Add help messages for pipx pin and pipx unpin commands by @dukecat0 in #1438
Add quotes to title and fix tag name in release action by @dukecat0 in #1437
Add a --prepend option to the pipx ensurepath command by @agriyakhetarpal in #1451
ci: clean up auto changelog on releases by @henryiii in #1440
Introduce a new env variable to allow spaces in home path by @Gitznik in #1446
Use multiple machine suffixes for standalone python by @tusharsadhwani in #1462
Fix install all example typo by @agrvz in #1464
Fix passing constraints file path into pipx install operation via --pip-args by @guysalt in #1390
Apply preview ruff/Pylint rule PLC0206 by @DimitriPapadopoulos in #1466
Apply ruff/pycodestyle rule E721 by @DimitriPapadopoulos in #1465
Enforce new ruff rules by @DimitriPapadopoulos in #1469
Moved documentation to docs directory by @svengregorio in #1474
Fix #1475 (--global installs to ~/.local) by @viscruocco in #1476
Fix #1492: Add PIPX_GLOBAL_(HOME|BIN_DIR|MAN_DIR) documentation and list them in pipx environment by @viscruocco in #1493
Assorted repo-review suggestions by @DimitriPapadopoulos in #1497
Fixes #1509 short-circuit of installing packages when already installed by @ayemiller in #1510

Full Changelog: 1.6.0...1.7.0