Rename data_publish to data_publish.md

[kjschmidt913]

i didn't include .md on the issue template file

[what-the-diff[bot]]

PR Summary

• Renaming of Issue Template The file originally named 'data_publish' within the .github/ISSUE_TEMPLATE directory has been renamed to 'data_publish.md'. This ensures the file is recognized as a markdown file, allowing for better compatibility and enhanced readability across platforms.

[codecov-commenter]

Codecov Report

Attention: 7 lines in your changes are missing coverage. Please review.

Comparison is base (0ccb39b) 72.08% compared to head (526c37a) 72.05%. Report is 26 commits behind head on main.

:exclamation: Current head 526c37a differs from pull request most recent head 2772a96. Consider uploading reports for the commit 2772a96 to get more accurate results

Files	Patch %	Lines
foundry/https_download.py	80.76%	5 Missing :warning:
foundry/foundry.py	71.42%	2 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #437 +/- ## ========================================== - Coverage 72.08% 72.05% -0.04% ========================================== Files 9 9 Lines 541 551 +10 ========================================== + Hits 390 397 +7 - Misses 151 154 +3 ```

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