Reset the file pointer to the beginning of the file on each retry to send dags to dag server

[rujhan-arora-astronomer]

Description

Reset the file pointer to the beginning of the file on each retry to send dags to dag server

🎟 Issue(s)

https://github.com/astronomer/issues/issues/6390

🧪 Functional Testing

Locally

📋 Checklist

• [x] Rebased from the main (or release if patching) branch (before testing)
• [ ] Ran make test before taking out of draft
• [x] Ran make lint before taking out of draft
• [x] Added/updated applicable tests
• [ ] Tested against Astro-API (if necessary).
• [x] Tested against Houston-API and Astronomer (if necessary).
• [ ] Communicated to/tagged owners of respective clients potentially impacted by these changes.
• [ ] Updated any related documentation

[rujhan-arora-astronomer]

@rishkarajgi Do we need to backport this to the older cli versions too?

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 86.72%. Comparing base (d858097) to head (69d2ad5).

Files	Patch %	Lines
pkg/fileutil/files.go	33.33%	1 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1656 +/- ## ======================================= Coverage 86.72% 86.72% ======================================= Files 114 114 Lines 16707 16710 +3 ======================================= + Hits 14489 14492 +3 Misses 1329 1329 Partials 889 889 ```

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[rujhan-arora-astronomer]

@kushalmalani Which is the next CLI version and when are we releasing it? Also, can you merge it too plz?

[kushalmalani]

@kushalmalani Which is the next CLI version and when are we releasing it? Also, can you merge it too plz?

Sure. There is no planned release. If this is a bug fix we can do a patch release tomorrow or early next week