Use versioned Pact container tag (0.23)

Author: nhumrich

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/nhumrich/pact@sha256:a05be3fd0485e0dc90cfad2a418a69938603f7a3eff0c40fe6d16224d301c2f2
+      image: ghcr.io/nhumrich/pact:0.23
     steps:
       - uses: actions/checkout@v4