ci: replace t-tooling label with t-dx and add issues to DX project (#1092)

Closes #1093

Author: patrikbraborec

.github/workflows/issue_labeling.yaml

@@ -13,13 +13,13 @@ jobs:
             issues: write
 
         steps:
-            # Add the "t-tooling" label to all new issues
+            # Add the "t-dx" label to all new issues
             - uses: actions/github-script@v8
               with:
                   script: |
                       github.rest.issues.addLabels({
                         issue_number: context.issue.number,
                         owner: context.repo.owner,
                         repo: context.repo.repo,
-                        labels: ["t-tooling"]
+                        labels: ["t-dx"]
                       })