v1.1.1: Update index.js

Adjust exception message

v1.1.0

What's Changed

• update action by @kickthemooon in #1
• allow branchName main for helmVersion by @dqualmann in #3
• update actions core by @axkirillov in #4
• update node fetch (vulnerability fix) by @axkirillov in #5

New Contributors

• @kickthemooon made their first contribution in #1
• @dqualmann made their first contribution in #3
• @axkirillov made their first contribution in #4

Full Changelog: v0.1...v1.1.0