Add-ons SVG Template by Xon 2.6.0

• Fix issue using getSvgUrl/getSvgUrlAs in style properties with a template without an extension would cause CSS to fail to render
• Fix for race condition when creating temp files when encoding svg => png using resvg.
• Update README.md to link to updated precompiled binary for resvg (v0.14.1 => v0.23.0)

Fix "XFCP_TemplaterHelper not found" error when upgrading the StandardLib add-on via the GUI

• If this has happened, upload the files for this add-on. Then rebuild StandardLib add-on, then run the updater this add-on.

• Require XenForo 2.2+
• Require StandardLib v1.11.0+
  • Improve support for rendering templates in the mail & api contexts by correctly injecting template filters/functions into multiple rendering contexts
• Compat fix when zlib output compression is enabled for PHP8.0.17+/PHP8.1.4+