Added daskgeopandas check to `is_geodataframe` function

[Azaya89]

• [x] Modified the is_geodataframe function to support DaskGeoDataFrame

• [x] Test added.

[ahuang11]

Looks good to me! Just a minor addition.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 85.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 88.80%. Comparing base (6c96c7e) to head (ded8eb9). Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
hvplot/tests/testutil.py	84.21%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1396 +/- ## ========================================== + Coverage 87.39% 88.80% +1.40% ========================================== Files 50 51 +1 Lines 7490 7510 +20 ========================================== + Hits 6546 6669 +123 + Misses 944 841 -103 ```

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[ahuang11]

Thank you looks good now!