Fix typo (dynamic_rank => rank_dynamic)

source/containers.tex

@@ -19441,7 +19441,7 @@
 \effects
 \begin{itemize}
 \item
-If \tcode{N} equals \tcode{dynamic_rank()},
+If \tcode{N} equals \tcode{rank_dynamic()},
 for all $d$ in the range $[0, \tcode{rank_dynamic()})$,
 direct-non-list-initializes \tcode{\exposidnc{dynamic-extents}[$d$]}
 with \tcode{as_const(exts[$d$])}.