Update version in npm scripts, ng-install doc

includes/ng-install-devextreme.md

@@ -1,5 +1,5 @@
 Install the `devextreme` and `devextreme-angular` npm packages:
 
-    npm install devextreme@24.1 devextreme-angular@24.1 --save --save-exact
+    npm install devextreme@24.2 devextreme-angular@24.2 --save --save-exact
 
 [note] We recommend saving an exact version of DevExtreme to avoid unexpected updates because DevExtreme does not use Semantic Versioning. In our versioning system, the first and middle numbers indicate a major release which may contain behavior changes.

package.json

@@ -14,9 +14,9 @@
   },
   "scripts": {
     "make-compact-docs": "dx-tools make-compact-docs --docs-root-path ./",
-    "generate-content-map": "dx-tools make-content-map --docs-root-path ./ --version 24.1 --syntax-meta-path ./metadata/syntax-data.json",
+    "generate-content-map": "dx-tools make-content-map --docs-root-path ./ --version 24.2 --syntax-meta-path ./metadata/syntax-data.json",
     "generate-syntax-data": "dx-tools make-syntax-metadata --output-path ./metadata/syntax-data.json",
-    "generate-extra-topic": "dx-tools generate-extra-topics --docs-root-path ./ --version 24.1",
+    "generate-extra-topic": "dx-tools generate-extra-topics --docs-root-path ./ --version 24.2",
     "update-topics": "dx-tools generate-topics --docs-root-path ./",
     "update-links": "dx-tools convert-links --docs-root-path ./",
     "validate-docs": "dx-tools validate-topics --docs-root-path ./",