Fix issue #102 "Handled Delete preview deployment bug when branch name contain '/' in it"

[Vasu-Madaan]

Code Changes:

Implemented the same filtering logic used during preview deployment creation to ensure consistency of deployment name.
Extracted the branch name from the GitHub event reference and applied the logic below to form the deployment name.

branch_ref="${{ github.event.ref }}"
branch_name="${branch_ref##*/}"
BRANCH_DEPLOYMENT_NAME=${branch_name}_$DEPLOYMENT_NAME

[neel-astro]

Thanks for the PR. Can we run some tests and add the results to the PR description? Also, I left a comment to squash.

[Vasu-Madaan]

Test conducted:

1. A branch was created with the name: testing/featurevasu.

   • The preview deployment creation was triggered successfully and creating a deployment with the following name:
     

2. When the same branch was deleted, the process correctly identified and used the same name to delete the corresponding deployment: