Support glob pattern in LoadScene attribute

[nowsprinting]

Can be specified path by glob pattern in LoadSceneAttribute.
However, there are restrictions, top level and scene name cannot be omitted.

Usage:

[TestFixture]
public class MyTestClass
{
    [Test]
    [LoadScene("Packages/YourPackageName/**/SampleScene.unity")]
    public void UsingGlobPattern()
    {
        // snip
    }
}

[github-actions]

Code Metrics Report

	master (8f12462)	#66 (d7c8782)	+/-
Coverage	66.8%	70.1%	+3.3%
Code to Test Ratio	1:1.1	1:1.0	-0.1

Details

  |                    | master (8f12462) | #66 (d7c8782) |  +/-  |
  |--------------------|------------------|---------------|-------|
+ | Coverage           |            66.8% |         70.1% | +3.3% |
  |   Files            |               24 |            25 |    +1 |
  |   Lines            |              548 |           618 |   +70 |
+ |   Covered          |              366 |           433 |   +67 |
- | Code to Test Ratio |            1:1.1 |         1:1.0 |  -0.1 |
  |   Code             |             1046 |          1162 |  +116 |
+ |   Test             |             1103 |          1117 |   +14 |

Code coverage of files in pull request scope (57.5% → 75.3%)

Files	Coverage	+/-
Editor/TemporaryBuildScenesUsingInTest.cs	43.9%	+0.2%
Runtime/Attributes/LoadSceneAttribute.cs	88.5%	+0.5%
Runtime/Utils/ScenePathFinder.cs	97.0%	+97.0%

---

Reported by octocov