Handle `/` in tags

[yashpatel6]

Description

For PRs where the branch name contains a / (like dependabot PRs), the tag created replaces the / with -. The deletion workflow looks for the tag with the / and fails to find and delete the tag on PR closure. Updating the delete function to perform the replacement

Example: https://github.com/uclahs-cds/tool-SRC-util/actions/runs/11411848998

Checklist

• [X] This PR does NOT contain PHI or germline genetic data. A repo may need to be deleted if such data is uploaded. Disclosing PHI is a major problem.
• [X] This PR does NOT contain molecular files, compressed files, output files such as images (e.g. .png, .jpeg), .pdf, .RData, .xlsx, .doc, .ppt, or other non-plain-text files. To automatically exclude such files using a .gitignore file, see here for example.
• [X] I have read the code review guidelines and the code review best practice on GitHub check-list.
• [X] I have set up or verified the main branch protection rule following the github standards before opening this pull request.
• [X] The name of the branch is meaningful and well formatted following the standards, using [AD_username (or 5 letters of AD if AD is too long)]-[brief_description_of_branch].
• [X] I have added the major changes included in this pull request to the CHANGELOG.md under the next release version or unreleased, and updated the date.

[yashpatel6]

@nwiltsie I haven't tested this but let me know if there're other places in the action where changes need to be made