calculator: update Pipenv files

calculator/Pipfile

@@ -10,6 +10,7 @@ pytest-mypy = "*"
 
 [packages]
 pydantic = "*"
+click = "*"
 
 [requires]
 python_version = "3.8"

calculator/Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "3f067406c56e7620ab6cfe0be6aab141312f05fd65b6a915fc6de2adef7ecd54"
+            "sha256": "a6a84d47d40db7fcb39da1bc33894e58283c269a63631f0fa1c018791df124dc"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -16,6 +16,14 @@
         ]
     },
     "default": {
+        "click": {
+            "hashes": [
+                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
+                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
+            ],
+            "index": "pypi",
+            "version": "==7.0"
+        },
         "pydantic": {
             "hashes": [
                 "sha256:1c2df10aca600a23e7310df7ee62bc8024e4bfc6a444bc4d38c7b095b0cc8f79",