Set max line length in .editorconfig to 100

Kobzol · Kobzol · commit 925e6fad8d86 · 2023-09-04T21:50:17.000+02:00
It is enforced by CI, but it wasn't set in the config.
diff --git a/.editorconfig b/.editorconfig
@@ -3,6 +3,7 @@ root = true
 [src/*]
 end_of_line = lf
 insert_final_newline = true
+max_line_length = 100
 
 [ci/*.sh]
 indent_style = space
