Update dependency certora-cli to v8.3.1 (#6061)

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

Author: renovate[bot]

fv-requirements.txt

@@ -1,4 +1,4 @@
-certora-cli==8.3.0
+certora-cli==8.3.1
 # File uses a custom name (fv-requirements.txt) so that it isn't picked by Netlify's build
 # whose latest Python version is 0.3.8, incompatible with most recent versions of Halmos
 halmos==0.3.3