Improve error msg for "invalid DC name" webhook

[frivoire]

What this PR does:
Just improve an error-message

Which issue(s) this PR fixes:
Fixes #1676

Checklist

• Changes manually tested
• Automated Tests added/updated ===> no need here I think
• Documentation added/updated ===> no need here I think
• CHANGELOG.md updated ===> I don't know which file to modify
• CLA Signed: DataStax CLA ==> Could not resolve host: cla.datastax.com 😢

[frivoire]

I created the issue and edited the PR's description to add it.

But still not ok for CI check 🤔

Error: No linked issues found. Please add the corresponding issues in the pull request description.

Strange, isn't it ?

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[adejanovski]

I created the issue and edited the PR's description to add it.

But still not ok for CI check 🤔

Error: No linked issues found. Please add the corresponding issues in the pull request description.

Strange, isn't it ?

Hi, you need to specify Fixes in front of the issue number for GH to associate the PR with the issue. See here.

I made the change for you.

[frivoire]

Hi, you need to specify Fixes in front of the issue number for GH to associate the PR with the issue. See here.
I made the change for you.

Ha yes, I understand now.
Thanks for the info & the fix (of the "fixes" 😆)

I'm switching the PR to "ready for review" now, since the CI is green.

[frivoire]

@adejanovski: do you think we can merge this now ?