[api] Adds mask generation task for sam2 model

[frankfliu]

Description

Brief description of what this PR is about

• If this change is a backward incompatible change, why must this change be made?
• Interesting edge cases to note here

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Codecov Report

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 72.60%. Comparing base (5c418be) to head (efb819a). Report is 36 commits behind head on master.

Files with missing lines	Patch %	Lines
api/src/main/java/ai/djl/Application.java	50.00%	1 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #3450 +/- ## ============================================ + Coverage 72.57% 72.60% +0.02% - Complexity 7377 7389 +12 ============================================ Files 669 671 +2 Lines 32658 32785 +127 Branches 3474 3482 +8 ============================================ + Hits 23701 23803 +102 - Misses 7319 7342 +23 - Partials 1638 1640 +2 ```

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