feat: support excluding task namespaces (#2959)

website/src/docs/guide.md

@@ -412,8 +412,10 @@ You can do this by using the
 
 ### Exclude tasks from being included
 
-You can exclude tasks from being included by using the `excludes` option. This
-option takes the list of tasks to be excluded from this include.
+You can exclude tasks or entire namespaces from being included by using the
+`excludes` option. This option takes the list of tasks or namespaces to be
+excluded from this include. Task names are matched exactly. To exclude a
+namespace, append `:*` to its name.
 
 ::: code-group
 
@@ -423,7 +425,7 @@ version: '3'
 includes:
   included:
     taskfile: ./Included.yml
-    excludes: [foo]
+    excludes: [foo, 'internal:*', 'debug:*']
 ```
 
 ```yaml [Included.yml]
@@ -432,11 +434,14 @@ version: '3'
 tasks:
   foo: echo "Foo"
   bar: echo "Bar"
+  internal:setup: echo "Internal setup"
+  debug:status: echo "Debug status"
 ```
 
 :::
 
-`task included:foo` will throw an error because the `foo` task is excluded but
+`task included:foo`, `task included:internal:setup`, and
+`task included:debug:status` will throw errors because they are excluded, but
 `task included:bar` will work and display `Bar`.
 
 It's compatible with the `flatten` option.

website/src/docs/reference/schema.md

@@ -308,13 +308,14 @@ includes:
 ### `excludes`
 
 - **Type**: `[]string`
-- **Description**: Tasks to exclude from inclusion
+- **Description**: Task names or namespace patterns ending in `:*` to exclude
+  from inclusion
 
 ```yaml
 includes:
   shared:
     taskfile: ./shared.yml
-    excludes: [internal-setup, debug-only]
+    excludes: [internal-setup, 'debug:*', 'experimental:*']
 ```
 
 ### `vars`

website/src/public/schema.json

@@ -746,7 +746,7 @@
                       }
                     },
                     "excludes": {
-                      "description": "A list of tasks to be excluded from inclusion.",
+                      "description": "A list of task names or namespace patterns ending in `:*` to be excluded from inclusion.",
                       "type": "array",
                       "items": {
                         "type": "string"