[pre-commit.ci] pre-commit autoupdate (#1663)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -15,6 +15,6 @@ repos:
     exclude: '.*references/.*\.txt$'  # do not check reference TN images
 
 - repo: "https://github.com/domluna/JuliaFormatter.jl"
-  rev: v2.1.2
+  rev: v2.1.6
   hooks:
   - id: "julia-formatter"