fix(task): properly handle task name wildcards with --recursive

[bartlomieju]

This commit fixes deno task by checking if the provided
task name actually has a wildcard char ("*").

Previously, if the "--recursive" flag was passed, the task name
was treated as a regex, which lead to a situation where exact task
name resulted in a regex that matched all tasks with the specific prefix.

This commit fixes it, by checking if the provided task name, is an exact
name, or is it a wildcard match.

Closes #27370
Closes #27401
Closes #27408

[dsherret]

LGTM

[marvinhagemeister]

Great fix. I like the idea of checking for * 👍