Build(deps): Bump yaml-unist-parser from 1.2.1 to 1.3.0 (#8888)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: fisker <lionkay@gmail.com>

changelog_unreleased/yaml/pr-8888.md

@@ -0,0 +1,39 @@
+#### Fix error on YAML Inline Extend syntax ([#8888](https://github.com/prettier/prettier/pull/8888) by [@fisker](https://github.com/fisker), [@evilebottnawi](https://github.com/evilebottnawi), fixes in [`yaml-unist-parser`](https://github.com/ikatyang/yaml-unist-parser) by [@ikatyang](https://github.com/ikatyang))
+
+<!-- prettier-ignore -->
+```yaml
+# Input
+foo:
+ <<: &anchor
+   K1: "One"
+ K2: "Two"
+
+bar:
+ <<: *anchor
+ K3: "Three"
+
+# Prettier stable
+SyntaxError: Merge nodes can only have Alias nodes as values (2:2)
+  1 | foo:
+> 2 |  <<: &anchor
+    |  ^^^^^^^^^^^
+> 3 |    K1: "One"
+    | ^^^^^^^^^^^^
+> 4 |  K2: "Two"
+    | ^^^^^^^^^^^^
+> 5 | 
+    | ^
+  6 | bar:
+  7 |  <<: *anchor
+  8 |  K3: "Three"
+
+# Prettier master
+foo:
+  <<: &anchor
+    K1: "One"
+  K2: "Two"
+
+bar:
+  <<: *anchor
+  K3: "Three"
+```