chore(deps): upgrade dependency pynacl to >=1.6,<1.7 (#2929)

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

Author: renovate[bot]

requirements/voice.txt

@@ -1 +1 @@
-PyNaCl>=1.3.0,<1.6
+PyNaCl>=1.6,<1.7