replace momentjs (incl. calendar)

package-lock.json

@@ -1153,19 +1153,6 @@
         "esutils": "^2.0.2"
       }
     },
-    "@babel/preset-react": {
-      "version": "7.9.4",
-      "resolved": "https://registry.npmjs.org/@babel/preset-react/-/preset-react-7.9.4.tgz",
-      "integrity": "sha512-AxylVB3FXeOTQXNXyiuAQJSvss62FEotbX2Pzx3K/7c+MKJMdSg6Ose6QYllkdCFA8EInCJVw7M/o5QbLuA4ZQ==",
-      "requires": {
-        "@babel/helper-plugin-utils": "^7.8.3",
-        "@babel/plugin-transform-react-display-name": "^7.8.3",
-        "@babel/plugin-transform-react-jsx": "^7.9.4",
-        "@babel/plugin-transform-react-jsx-development": "^7.9.0",
-        "@babel/plugin-transform-react-jsx-self": "^7.9.0",
-        "@babel/plugin-transform-react-jsx-source": "^7.9.0"
-      }
-    },
     "@babel/preset-typescript": {
       "version": "7.10.4",
       "resolved": "https://registry.npmjs.org/@babel/preset-typescript/-/preset-typescript-7.10.4.tgz",
@@ -2151,6 +2138,11 @@
         "csstype": "^3.0.2"
       }
     },
+    "@types/react-calendar": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/@types/react-calendar/-/react-calendar-3.1.1.tgz",
+      "integrity": "sha512-tjaxwYm/6R3N/vYq4q0+RJP6p6SlNrMbD4AZf9GQUu8nhN7Rkpu5YlrK0J/q77h1ikAlAyNWor8yqc7tGgfFQg=="
+    },
     "@types/stack-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-1.0.1.tgz",
@@ -2335,6 +2327,11 @@
         "@xtuc/long": "4.2.2"
       }
     },
+    "@wojtekmaj/date-utils": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@wojtekmaj/date-utils/-/date-utils-1.0.3.tgz",
+      "integrity": "sha512-1VPkkTBk07gMR1fjpBtse4G+oJqpmE+0gUFB0dg3VIL7qJmUVaBoD/vlzMm/jNeOPfvlmerl1lpnsZyBUFIRuw=="
+    },
     "@xtuc/ieee754": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/@xtuc/ieee754/-/ieee754-1.2.0.tgz",
@@ -3900,6 +3897,11 @@
         "whatwg-url": "^8.0.0"
       }
     },
+    "date-fns": {
+      "version": "2.16.1",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.16.1.tgz",
+      "integrity": "sha512-sAJVKx/FqrLYHAQeN7VpJrPhagZc9R4ImZIWYRFZaaohR3KzmuK88touwsSwSVT8Qcbd4zoDsnGfX4GFB4imyQ=="
+    },
     "dayjs": {
       "version": "1.8.36",
       "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.8.36.tgz",
@@ -4793,6 +4795,14 @@
         "pump": "^3.0.0"
       }
     },
+    "get-user-locale": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/get-user-locale/-/get-user-locale-1.4.0.tgz",
+      "integrity": "sha512-gQo03lP1OArHLKlnoglqrGGl7b04u2EP9Xutmp72cMdtrrSD7ZgIsCsUKZynYWLDkVJW33Cj3pliP7uP0UonHQ==",
+      "requires": {
+        "lodash.once": "^4.1.1"
+      }
+    },
     "get-value": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/get-value/-/get-value-2.0.6.tgz",
@@ -7109,6 +7119,11 @@
       "integrity": "sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=",
       "dev": true
     },
+    "lodash.once": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
+      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
+    },
     "lodash.sortby": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/lodash.sortby/-/lodash.sortby-4.7.0.tgz",
@@ -7217,6 +7232,11 @@
       "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
       "optional": true
     },
+    "merge-class-names": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/merge-class-names/-/merge-class-names-1.3.0.tgz",
+      "integrity": "sha512-k0Qaj36VBpKgdc8c188LEZvo6v/zzry/FUufwopWbMSp6/knfVFU/KIB55/hJjeIpg18IH2WskXJCRnM/1BrdQ=="
+    },
     "merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
@@ -7368,11 +7388,6 @@
         "minimist": "^1.2.5"
       }
     },
-    "moment": {
-      "version": "2.28.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.28.0.tgz",
-      "integrity": "sha512-Z5KOjYmnHyd/ukynmFd/WwyXHd7L4J9vTI/nn5Ap9AVUgaAE15VvQ9MOGmJJygEUklupqIrFnor/tjTwRU+tQw=="
-    },
     "mongodb": {
       "version": "3.6.2",
       "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.2.tgz",
@@ -8983,15 +8998,15 @@
         "prop-types": "^15.6.2"
       }
     },
-    "react-calendar-component": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/react-calendar-component/-/react-calendar-component-3.0.0.tgz",
-      "integrity": "sha512-vua/pu+hTeLD9SSc+NH79IwCLc3REvl4gL9C3dtUo/+cGhPiQo6CGC/Jm8AVgTBhO4CtNr21tEWAdlCVqIxBbA==",
+    "react-calendar": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/react-calendar/-/react-calendar-3.1.0.tgz",
+      "integrity": "sha512-xoKdRe6FrnZ30LD9pyr20fhet1uwSbc6srLGm1ib7G4b7tAXniZrwzrJ4YV/Hbmmwf/zAFGyXtBzLAIV1KNvuA==",
       "requires": {
-        "@babel/preset-react": "^7.0.0",
-        "classnames": "^2.2.5",
-        "moment": "^2.19.1",
-        "prop-types": "^15.7.2"
+        "@wojtekmaj/date-utils": "^1.0.2",
+        "get-user-locale": "^1.2.0",
+        "merge-class-names": "^1.1.1",
+        "prop-types": "^15.6.0"
       }
     },
     "react-dom": {