feat: add Month headers to Show Page Calendar tab (#4326)

Closes #4288

package.json

@@ -111,6 +111,7 @@
     "lodash.isequal": "^4.5.0",
     "lodash.isobject": "^3.0.2",
     "lodash.kebabcase": "^4.1.1",
+    "lodash.mapvalues": "^4.6.0",
     "lodash.merge": "^4.6.2",
     "lodash.omit": "^4.5.0",
     "lodash.pick": "^4.4.0",
@@ -225,6 +226,7 @@
     "@types/lodash.isequal": "^4.5.7",
     "@types/lodash.isobject": "^3.0.7",
     "@types/lodash.kebabcase": "^4.1.7",
+    "@types/lodash.mapvalues": "^4.6.9",
     "@types/lodash.snakecase": "^4.1.7",
     "@types/lodash.upperfirst": "^4.3.7",
     "@types/luxon": "^3.3.0",