editorconfig: Adjust to 2-space indents for yaml.
This matches the current configuration in zulip/zulip.
@@ -10,11 +10,11 @@ charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
-[*.{sh,py,pyi,js,json,yml,xml,css,md,markdown,handlebars,html}]
+[*.{sh,py,pyi,js,json,xml,css,md,markdown,handlebars,html}]
indent_style = space
indent_size = 4
-[*.{svg,rb,pp,pl}]
+[*.{svg,rb,pp,pl,yaml,yml}]
indent_style = space
indent_size = 2
