Merge #24

24: Install dateutil which is required by ghp-import r=therealprof a=adamgreig

Same deal as rust-embedded/discovery#298

Co-authored-by: Adam Greig <adam@adamgreig.com>

ci/install.sh

@@ -1,7 +1,7 @@
 set -euxo pipefail
 
 main() {
-    pip install linkchecker --user
+    pip install linkchecker python-dateutil --user
 }
 
 main