fix: update form submission function reference in create-task documentation

- Adjusted the line number in the code example for the form submission function from 11-13 to 11-14 across English, German, and French documentation files for accuracy.

Author: geromegrignon

src/content/docs/de/api-server/create-task.mdx

@@ -195,7 +195,7 @@ Use this callback function to navigate to the **"/"** route.
 
 1.  Update the `src/app/task-form/task-form.ts` file.
 
-        ```typescript ins={"Update the form submission function": 11-13}
+        ```typescript ins={"Update the form submission function": 11-14}
 
           submit() {
               const id = this.route.snapshot.paramMap.get('id');

src/content/docs/en/api-server/create-task.mdx

@@ -195,7 +195,7 @@ Use this callback function to navigate to the **"/"** route.
 
 1.  Update the `src/app/task-form/task-form.ts` file.
 
-        ```typescript ins={"Update the form submission function": 11-13}
+        ```typescript ins={"Update the form submission function": 11-14}
 
           submit() {
               const id = this.route.snapshot.paramMap.get('id');

src/content/docs/fr/api-server/create-task.mdx

@@ -195,7 +195,7 @@ Use this callback function to navigate to the **"/"** route.
 
 1.  Update the `src/app/task-form/task-form.ts` file.
 
-        ```typescript ins={"Update the form submission function": 11-13}
+        ```typescript ins={"Update the form submission function": 11-14}
 
           submit() {
               const id = this.route.snapshot.paramMap.get('id');