Fix version of JuliaFormatter.jl

Author: juliohm

.github/workflows/FormatPR.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Install JuliaFormatter and format
         run: |
-          julia -e 'import Pkg; Pkg.add("JuliaFormatter")'
+          julia -e 'import Pkg; Pkg.add(name="JuliaFormatter", version="1")'
           julia -e 'using JuliaFormatter; format(".")'
       - name: Create Pull Request
         id: cpr