ci: use shared `named-data/actions` workflow to publish Docker image

Change-Id: I732952ba6640e1e8d34d5de006c712a5565b1c08
diff --git a/.editorconfig b/.editorconfig
index 624ad9b..f9b3c4d 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -26,3 +26,4 @@
 [*.{yaml,yml}]
 indent_style = space
 indent_size = 2
+trim_trailing_whitespace = true