Use antsibull from my semantic-markup branch.

felixfontein · felixfontein · commit 8d8249a696fc · 2021-08-15T03:37:19.000+02:00
diff --git a/tests/sanity/extra/extra-docs.json b/tests/sanity/extra/extra-docs.json
@@ -5,6 +5,6 @@
     ],
     "output": "path-line-column-message",
     "requirements": [
-        "antsibull"
+        "https://github.com/felixfontein/antsibull/archive/semantic-markup.zip"
     ]
 }

Original file line number	Diff line number	Diff line change
`@@ -5,6 +5,6 @@`
`5`	`5`	`],`
`6`	`6`	`"output": "path-line-column-message",`
`7`	`7`	`"requirements": [`
`8`		`- "antsibull"`
	`8`	`+ "https://github.com/felixfontein/antsibull/archive/semantic-markup.zip"`
`9`	`9`	`]`
`10`	`10`	`}`