runtime(doc,netrw): update "Last Change header", remove trailing whitespace

Update Last-Change Header for netrw and doc/indent.txt, fix a trailing
whitespace in indent.txt and make CI happy.

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/indent.txt b/runtime/doc/indent.txt
index 9fb6dd9..fe24505 100644
--- a/runtime/doc/indent.txt
+++ b/runtime/doc/indent.txt
@@ -1,4 +1,4 @@
-*indent.txt*    For Vim version 9.1.  Last change: 2023 Dec 27
+*indent.txt*    For Vim version 9.1.  Last change: 2024 Feb 29
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1257,7 +1257,7 @@
 
 YAML							*ft-yaml-indent*
 
-By default, the yaml indent script does not try to detect multiline scalars. 
+By default, the yaml indent script does not try to detect multiline scalars.
 If you want to enable this, set the following variable: >
 
   let g:yaml_indent_multiline_scalar = 1