repo: bump builtins to 1.79.0 (#12807)

The commit includes the following updates:
- bumps our builtins to `1.79.0`
- bumps our extension-pack to `1.79.0`
- bumps external builtins (editorconfig, eslint) to latest compatible
version according to `1.79.0`

Signed-off-by: vince-fugnitto <vincent.fugnitto@ericsson.com>

package.json

@@ -100,9 +100,9 @@
   ],
   "theiaPluginsDir": "plugins",
   "theiaPlugins": {
-    "eclipse-theia.builtin-extension-pack": "https://open-vsx.org/api/eclipse-theia/builtin-extension-pack/1.77.0/file/eclipse-theia.builtin-extension-pack-1.77.0.vsix",
-    "EditorConfig.EditorConfig": "https://open-vsx.org/api/EditorConfig/EditorConfig/0.14.4/file/EditorConfig.EditorConfig-0.14.4.vsix",
-    "dbaeumer.vscode-eslint": "https://open-vsx.org/api/dbaeumer/vscode-eslint/2.1.20/file/dbaeumer.vscode-eslint-2.1.20.vsix"
+    "eclipse-theia.builtin-extension-pack": "https://open-vsx.org/api/eclipse-theia/builtin-extension-pack/1.79.0/file/eclipse-theia.builtin-extension-pack-1.79.0.vsix",
+    "EditorConfig.EditorConfig": "https://open-vsx.org/api/EditorConfig/EditorConfig/0.16.6/file/EditorConfig.EditorConfig-0.16.6.vsix",
+    "dbaeumer.vscode-eslint": "https://open-vsx.org/api/dbaeumer/vscode-eslint/2.4.2/file/dbaeumer.vscode-eslint-2.4.2.vsix"
   },
   "theiaPluginsExcludeIds": [
     "ms-vscode.js-debug-companion",