Update new-integration-proposal.md

.github/ISSUE_TEMPLATE/new-integration-proposal.md

@@ -2,7 +2,7 @@
 name: New Integration Proposal
 about: Track the creation process for a new integration
 title: ''
-labels: New integration request
+labels: new integration
 assignees: ''
 
 ---
@@ -30,4 +30,4 @@ If the request is accepted, ensure the following checklist is complete before cl
 - [ ] An integration tile has been added to https://github.com/deepset-ai/haystack-integrations
 - [ ] The integration has been listed in the [Inventory section](https://github.com/deepset-ai/haystack-core-integrations#inventory) of this repo README
 - [ ] There is an example available to demonstrate the feature
-- [ ] The feature was announced through social media
+- [ ] The feature was announced through social media