Fix immutable cache keys of CircleCI

Author: Ives van Hoorne

.circleci/config.yml

@@ -43,11 +43,11 @@ jobs:
           name: Build Application
           command: yarn build:prod
       - save_cache:
-          key: v1-prod-app-build-cache-{{ .Environment.CIRCLE_BRANCH }}
+          key: v1-prod-app-build-cache-{{ .Environment.CIRCLE_BRANCH }}-{{ .Environment.CIRCLE_SHA1 }}
           paths:
             - ./packages/app/www
       - save_cache:
-          key: v1-prod-build-cache-{{ .Environment.CIRCLE_BRANCH }}
+          key: v1-prod-build-cache-{{ .Environment.CIRCLE_BRANCH }}-{{ .Environment.CIRCLE_SHA1 }}
           paths:
             - ./www
       - store_artifacts:
@@ -104,7 +104,7 @@ jobs:
       - restore_cache:
           key: v1-repo-{{ .Environment.CIRCLE_SHA1 }}
       - restore_cache:
-          key: v1-prod-build-cache-{{ .Environment.CIRCLE_BRANCH }}
+          key: v1-prod-build-cache-{{ .Environment.CIRCLE_BRANCH }}-{{ .Environment.CIRCLE_SHA1 }}
       - add_ssh_keys:
           fingerprints:
             - "f7:f1:e6:60:96:24:d9:cd:1b:8b:c0:34:e7:ee:fa:82"