chore(deps): update rust crate pulldown-cmark-to-cmark to v21.1.0 (#1127)

* chore(deps): update rust crate pulldown-cmark-to-cmark to v21.1.0

* Fix manpage Makefile

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Christopher Harrison <[email protected]>

Author: renovate[bot]

Cargo.lock

@@ -25,7 +25,6 @@ install: $(MAN_DIR)/man1/$(NAME).1.gz
 $(MAN_DIR)/man1/$(NAME).1.gz: $(BUILD_PREFIX).1.gz $(MAN_DIR)/man1
 	install \
 	  -m 0644 \
-	  -S \
 	  "$<" \
 	  "$@"