Pin JuliaFormatter

Author: goerz

.github/workflows/CI.yml

@@ -127,7 +127,7 @@ jobs:
         shell: julia {0}
         run: |
           using Pkg
-          Pkg.add(PackageSpec(name="JuliaFormatter"))
+          Pkg.add(PackageSpec(name="JuliaFormatter", version="2.3.0"))
           using JuliaFormatter
           format(".", verbose=true)
       - name: Format Check

test/Project.toml

@@ -45,4 +45,5 @@ QuantumPropagators = {path = ".."}
 
 [compat]
 Documenter = "1.4"
+JuliaFormatter = "=2.3.0"
 julia = "1.9"