Merge rust-bitcoin#201: PR Labeler workflow: Fix label name

e6f9381 Fix label name (Jamil Lambert, PhD)

Pull request description:

  The label name in the workflow had an `_` but should be a `-` to match the repo labels. This causes the workflow to fail if this tag is required.

  Correct the name to use a -

ACKs for top commit:
  tcharding:
    ACK e6f9381

Tree-SHA512: 3f35c3459e3517bbf9497c684e5b62096109688267896395ef8d0408145c4e1119a2a4871cf2113ad456435bedeaf29ff5a80901a292828088d6ebb60f5d7d0a

Author: tcharding

.github/workflows/pr-labeler.yml

@@ -29,7 +29,7 @@ jobs:
             const filePathsToLabels = {
               'node/': 'C-node',
               'client/': 'C-client',
-              'integration_test/': 'C-integration_test',
+              'integration_test/': 'C-integration-test',
               'jsonrpc/': 'C-jsonrpc',
               'types/': 'C-types',
               'verify/': 'C-verify'