tidy-up: miscellaneous

- schannel: delete superfluous parenthesis.
- tftp: delete stray space from log output.
- ws: update guard comment.
- docs/examples: constify variables.
- runtests/servers: enclose unknown parameter between quotes.
- scripts/perlcheck.sh: drop redundant grep `-E` option.
- THANKS: move names from comments to THANKS.
- sync `--depth` option style across scripts.
- sync git repo URL ending between some scripts.
- BINDINGS.md: drop protocol from archive.org URL path.
- whitespace, indent, unfold lines.

Closes #19565

docs/THANKS

@@ -361,7 +361,7 @@ Benjamin Sergeant
 Ben Kohler
 Ben Madsen
 Ben Noordhuis
-Benoit Neil
+Benoit Neil (Sukender)
 Benoit Pierre
 Benoit Sigoure
 Ben Van Hof
@@ -3148,6 +3148,7 @@ Temprimus
 Terence Eden
 Terri Oda
 Terry Wu
+Tetetest
 thanhchungbtc on github
 TheAssassin on github
 TheBitBrine
@@ -3328,6 +3329,7 @@ UrsusArctos on github
 User Sg
 ustcqidi on github
 Vadim Grinshpun
+Vaibhav Kumar
 Valentin David
 Valentín Gutiérrez
 Valentin Richter