Fix documentation typo: --pager=never → --paging=never

Signed-off-by: Anders Kaseorg <andersk@mit.edu>

assets/manual/bat.1.in

@@ -29,7 +29,7 @@ control the width of the tab\-placeholders.
 .IP
 Only show plain style, no decorations. This is an alias for
 \&'\-\-style=plain'. When '\-p' is used twice ('\-pp'), it also disables
-automatic paging (alias for '\-\-style=plain \fB\-\-pager\fR=\fI\,never\/\fR').
+automatic paging (alias for '\-\-style=plain \fB\-\-paging\fR=\fI\,never\/\fR').
 .HP
 \fB\-l\fR, \fB\-\-language\fR <language>
 .IP

src/bin/bat/clap_app.rs

@@ -77,7 +77,7 @@ pub fn build_app(interactive_output: bool) -> ClapApp<'static, 'static> {
                 .long_help(
                     "Only show plain style, no decorations. This is an alias for \
                      '--style=plain'. When '-p' is used twice ('-pp'), it also disables \
-                     automatic paging (alias for '--style=plain --pager=never').",
+                     automatic paging (alias for '--style=plain --paging=never').",
                 ),
         )
         .arg(