Updated npm packages

Reverting to material-table 1.68.0 due to warnings caused by 1.68.1; see mbrn/material-table#2326

package.json

@@ -7,7 +7,7 @@
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "^4.0.0-alpha.56",
     "amazon-cognito-identity-js": "^4.3.3",
-    "aws-sdk": "^2.734.0",
+    "aws-sdk": "^2.736.0",
     "chart.js": "^2.9.3",
     "clipboard-copy": "^3.1.0",
     "clsx": "^1.1.1",
@@ -20,7 +20,7 @@
     "react": "^16.13.1",
     "react-chartjs-2": "^2.10.0",
     "react-dom": "^16.13.1",
-    "react-hook-form": "^6.4.0",
+    "react-hook-form": "^6.4.1",
     "react-leaflet": "^2.7.0",
     "react-router-dom": "^5.2.0",
     "react-router-navigation-prompt": "^1.8.13",
@@ -36,7 +36,7 @@
     "@testing-library/user-event": "^12.1.1",
     "@types/jest": "^26.0.10",
     "@types/jwt-decode": "^2.2.1",
-    "@types/node": "^14.0.27",
+    "@types/node": "^14.6.0",
     "@types/react": "^16.9.46",
     "@types/react-dom": "^16.9.8",
     "@types/react-leaflet": "^2.5.2",

src/components/AboutRoster.tsx

@@ -76,7 +76,7 @@ const AboutRoster: React.FC = () => {
         <Grid item xs={12} md={8}>
           <Typography variant='h1' align='center' gutterBottom={true}>About ROSTER</Typography>
           <Box textAlign='center'>
-            <p>v2020.08.15.1030</p>
+            <p>v2020.08.18.2015</p>
             {isUpdateAvailable
               ? <p>
                   <span>(</span>