Replace Rustybuzz with Parley for text layout, and add text tilt parameter (#2739)

* replace rustybuzz with parley for text layout handling

change text input direction based on text direction

* Code review

* change default character spacing to 0

* add shear to text node

this also adds migration code for documents that don't have shear

* shear migration for text node

- add shear property
- set character spacing to 0

* use old max_width and max_height in text migration if available

* Final code review pass

* Add units to the parameters

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Co-authored-by: Keavon Chambers <keavon@keavon.com>

node-graph/gcore/Cargo.toml

@@ -29,10 +29,11 @@ ctor = { workspace = true }
 rand_chacha = { workspace = true }
 bezier-rs = { workspace = true }
 specta = { workspace = true }
-rustybuzz = { workspace = true }
 image = { workspace = true }
 half = { workspace = true }
 tinyvec = { workspace = true }
+parley = { workspace = true }
+skrifa = { workspace = true }
 kurbo = { workspace = true }
 log = { workspace = true }
 base64 = { workspace = true }