fix: auto label

[alankritdabral]

Summary:
Earlier only pr which were from the tailcall/tailcall were used add labels on the pr But if any pr from the forked branches were not able to add labels to pr

Issue Reference(s):
/fixes #857 /claim #857

Build & Testing:

• [ ] I ran cargo test successfully.
• [ ] I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• [ ] I have added relevant unit & integration tests.
• [ ] I have updated the documentation accordingly.
• [ ] I have performed a self-review of my code.
• [ ] PR follows the naming convention of <type>(<optional scope>): <title>