Add remaining features for 3.17 support

[tombh]

Thanks to @alcarney we've identified the remaining features we need to add for complete LSP 3.17 compliance.

New methods:

• Add support for type hierarchies. feat: adds type hierarchy request support #370
• Add support for inline values. feat: adds inline value support #369
• Add support for inlay hints. Add inlay hint support #342
• Add support for workspace symbol resolve request. feat: add workspace symbol resolve #362
• Add support for diagnostic pull model. feat: Add document diagnostic capability #360

Other:

• Add support for notebook documents. Initial support for notebook document sync methods #356
  See also, Add support for notebooks #311
• Add support to negotiate the position encoding.
  Some minor discussion here fix: Correctly cast from UTF16 positions #304 (comment)