readthedocs: Also fetch tags

stephenfin · stephenfin · commit 68a80a999bef · 2023-10-04T09:39:01.000+01:00
Signed-off-by: Stephen Finucane &lt;stephen@that.guru&gt;
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
@@ -10,3 +10,4 @@ build:
   jobs:
     post_checkout:
       - git fetch --unshallow
+      - git fetch --tags
