Update dependency elixir to v1.16.1 (#597)

renovate[bot] · web-flow · commit e97f68b8627e · 2024-02-27T22:00:24.000+01:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/.tool-versions b/.tool-versions
@@ -1,2 +1,2 @@
 erlang 26.1.2
-elixir 1.15.7-otp-26
+elixir 1.16.1
