fix truncated env vars

[sunkickr]

Description

PR that fixes an issue were env vars that contained a "=" were truncated

🎟 Issue(s)

• https://github.com/astronomer/astro-cli/issues/590

🧪 Functional Testing

manual tested

📸 Screenshots

Add screenshots to illustrate the validity of these changes.

📋 Checklist

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

[codecov[bot]]

Codecov Report

Merging #686 (a24a0ae) into main (e24b654) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #686   +/-   ##
=======================================
  Coverage   85.90%   85.91%           
=======================================
  Files          93       93           
  Lines        7338     7341    +3     
=======================================
+ Hits         6304     6307    +3     
  Misses        639      639           
  Partials      395      395           

Impacted Files	Coverage Δ
cloud/deployment/deployment_variable.go	89.11% <100.00%> (+0.17%)	:arrow_up:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update e24b654...a24a0ae. Read the comment docs.