v3.34.0

• Removed support for version: 2 schemas. See the deprecation notice on our website (#1197, #1447 by @pd93).
• Fixed a couple of issues in the JSON Schema + added a CI step to ensure it's correct (#1471, #1474, #1476 by @sirosen).
• Added Any Variables experiment proposal 2 (#1415, #1444 by @pd93).
• Updated the experiments and deprecations documentation format (#1445 by @pd93).
• Added new template function: spew, which can be used to print variables for debugging purposes (#1452 by @pd93).
• Added new template function: merge, which can be used to merge any number of map variables (#1438, #1464 by @pd93).
• Small change on the API when using as a library: call.Direct became call.Indirect (#1459 by @pd93).
• Refactored the public read and taskfile packages and introduced taskfile/ast (#1450 by @pd93).
• ast.IncludedTaskfiles renamed to ast.Includes and orderedmap package renamed to omap plus some internal refactor work (#1456 by @pd93).
• Fix zsh completion script to allow lowercase taskfile file names (#1482 by @xontab).
• Improvements on how we check the Taskfile version (#1465 by @pd93).
• Added a new ROOT_TASKFILE special variable (#1468, #1469 by @pd93).
• Fix experiment flags in .env when the --dir or --taskfile flags were used (#1478 by @pd93).