Parser: ensure error on map colons on newlines

Author: biojppm

changelog/current.md

@@ -1,12 +1,22 @@
-- [PR#585](https://github.com/biojppm/rapidyaml/pull/585): ensure parse errors for invalid YAML cases:
-  - colon on newline at top level ([play](https://play.yaml.com/?show=xd#c2NhbGFyCjogYmFkCi0tLQpbc2VxXQo6IGJhZAotLS0KW21hcF0KOiBiYWQK)):
+- Ensure parse errors for invalid YAML cases:
+  - [PR#585](https://github.com/biojppm/rapidyaml/pull/585): colon on newline at top level ([play](https://play.yaml.com/?show=xd#c2NhbGFyCjogYmFkCi0tLQpbc2VxXQo6IGJhZAotLS0KW21hcF0KOiBiYWQK)):
     ```yaml
     scalar
     : bad
     ---
     [seq]
     : bad
     ---
-    [map]
+    {map: }
     : bad
     ```
+  - [PR#586](https://github.com/biojppm/rapidyaml/pull/586): colon on newline generally ([play](https://play.yaml.com/?show=xd#c2NhbGFyCjogYmFkCi0tLQpbc2VxXQo6IGJhZAotLS0KW21hcF0KOiBiYWQK)):
+    ```yaml
+    bad cases:
+      scalar
+        : bad
+      [seq]
+        : bad
+      {map: }
+        : bad
+    ```