Update several dependencies and plugins (#525)

Update the following components:

- SAP UI5 to 1.139.0
- updated package-lock.json in root and app folder to latest available
versions
- several Maven build plugins to latest available versions

Author: mofterdinger

app/admin/webapp/manifest.json

@@ -86,7 +86,7 @@
                     "name": "sap.fe.templates.ListReport",
                     "options": {
                         "settings" : {
-                            "entitySet" : "Books",
+                            "contextPath" : "/Books",
                             "navigation" : {
                                 "Books" : {
                                     "detail" : {
@@ -113,7 +113,8 @@
                     "name": "sap.fe.templates.ObjectPage",
                     "options": {
                         "settings" : {
-                            "entitySet" : "Books",
+                            "contextPath" : "/Books",
+                            "editableHeaderContent": false,
                             "navigation" : {
                                 "Authors" : {
                                     "detail" : {
@@ -130,7 +131,7 @@
                     "name": "sap.fe.templates.ObjectPage",
                     "options": {
                         "settings" : {
-                            "entitySet" : "Authors"
+                            "contextPath" : "/Authors"
                         }
                     }
                 }

app/common.cds

@@ -52,7 +52,7 @@ annotate my.Books with
     TypeImageUrl : 'sap-icon://course-book',
     Title : {Value : title},
     Description : {Value : author.name}
-}, });
+}});
 
 
 ////////////////////////////////////////////////////////////////////////////

app/fiori.html

@@ -14,8 +14,8 @@
 		};
 	</script>
 
-	<script id="sap-ushell-bootstrap" src="https://sapui5.hana.ondemand.com/1.120.23/test-resources/sap/ushell/bootstrap/sandbox.js"></script>
-	<script id="sap-ui-bootstrap" src="https://sapui5.hana.ondemand.com/1.120.23/resources/sap-ui-core.js"
+	<script id="sap-ushell-bootstrap" src="https://sapui5.hana.ondemand.com/1.139.0/test-resources/sap/ushell/bootstrap/sandbox.js"></script>
+	<script id="sap-ui-bootstrap" src="https://sapui5.hana.ondemand.com/1.139.0/resources/sap-ui-core.js"
 			data-sap-ui-libs="sap.m, sap.ushell, sap.collaboration, sap.ui.layout"
 			data-sap-ui-compatVersion="edge"
 			data-sap-ui-theme="sap_horizon"