Move @backstage/backend-defaults from dependencies to devDependencies
in all backend plugins that had it as a production dependency. None of
these plugins use it in their production source code - it's only needed
for dev servers (dev/index.ts) and test files.
Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Patrik Oldsberg