docs: Bump the next version to 2.0.0 in more docs files (#1787)

Because the fixes to date range searches do change existing behaviour,
even though they are definite improvements.

Author: claremacrae

docs/advanced/api.md

@@ -23,7 +23,7 @@ has_toc: false
 ## Tasks API Interface
 
 {: .released }
-The Tasks API Interface was introduced in Tasks 1.26.0.
+The Tasks API Interface was introduced in Tasks 2.0.0.
 
 Tasks exposes an API that can be used to integrate Tasks in other Plugins, scripts or
 dynamic code blocks.
@@ -52,7 +52,7 @@ export interface TasksApiV1 {
 ## `createTaskLineModal(): Promise<string>;`
 
 {: .released }
-This method was introduced in Tasks 1.26.0.
+This method was introduced in Tasks 2.0.0.
 
 This method opens the Tasks [Create or edit task UI]({{ site.baseurl }}{% link getting-started/create-or-edit-task.md %}) and returns the Markdown for the task entered.
 If data entry is cancelled, an empty string is returned.

docs/getting-started/create-or-edit-task.md

@@ -64,7 +64,7 @@ If you have a [global filter]({{ site.baseurl }}{% link getting-started/global-f
 The description box can be enlarged by dragging its corner. Multi-line text can be pasted in, or dragged-and-dropped in, and Tasks will remove the end-of-line characters automatically.
 
 {: .released }
-Description field became resizable in Tasks 1.26.0.
+Description field became resizable in Tasks 2.0.0.
 
 ### Priority
 
@@ -144,7 +144,7 @@ A read-only checkbox, showing whether the task is completed.
 ### Created on
 
 {: .released }
-Created date was introduced in Tasks 1.26.0.
+Created date was introduced in Tasks 2.0.0.
 
 A read-only display of the task's [created date]({{ site.baseurl }}{% link getting-started/dates.md %}#-created), if any.
 

docs/getting-started/dates.md

@@ -113,7 +113,7 @@ Image of the default settings for tracking task histories.
 ### ➕ Created
 
 {: .released }
-Created date was introduced in Tasks 1.26.0.
+Created date was introduced in Tasks 2.0.0.
 
 If you enable 'Set created date on every added task' in settings (and restart Obsidian), the Tasks plugin will help you track when your tasks were created.