fix: restore HeadingChunk rule removed by #39215 merge

Author: ggazzo

packages/message-parser/package.json

@@ -75,4 +75,4 @@
 	"publishConfig": {
 		"access": "public"
 	}
-}
+}

packages/message-parser/src/grammar.pegjs

@@ -143,10 +143,12 @@ CodeChunk = text:$(CodeChunkChar)+ { return plain(text); }
  * #### Heading 4
  *
 */
-Heading = count:HeadingStart [ \t]+ text:Inline+ { return heading(text, count); }
+Heading = count:HeadingStart [ \t]+ text:HeadingChunk { return heading(text, count); }
 
 HeadingStart = value:"#" |1..4| { return value.length; }
 
+HeadingChunk = text:Inline { return text; }
+
 
 
 /**

yarn.lock

@@ -22481,6 +22481,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fast-check@npm:^4.6.0":
+  version: 4.6.0
+  resolution: "fast-check@npm:4.6.0"
+  dependencies:
+    pure-rand: "npm:^8.0.0"
+  checksum: 10/b53b88ebf6247ea0eaa7f3f6d8923035e0cfd6f78bc8c393754cc1ccbdb591756dfbff02058a136b472e011279594fa72c05a30378177d6055a08ad7ed1b823e
+  languageName: node
+  linkType: hard
+
 "fast-copy@npm:^4.0.0":
   version: 4.0.2
   resolution: "fast-copy@npm:4.0.2"
@@ -32060,9 +32069,9 @@ __metadata:
   linkType: hard
 
 "pure-rand@npm:^8.0.0":
-  version: 8.0.0
-  resolution: "pure-rand@npm:8.0.0"
-  checksum: 10/a5c84320f7337a6984e45cba969c804797535bb03b850897f0ee367d2d531feb489df220d475acc1dcf925c0832ed19a11c2928a94e9197ece5ad003368cb9c7
+  version: 8.3.0
+  resolution: "pure-rand@npm:8.3.0"
+  checksum: 10/cce12a9a7079f74f2d5438941fdc968df4862571a92f7bc0a9a0bcfbe8926441cdf7ff138610cd4bdee0c0e8ef3a5a11eee4cd61a0d473a6f00b2a4873165956
   languageName: node
   linkType: hard