update syntax for github action

Author: corybekk

.github/workflows/semantic-lint.yml

@@ -16,6 +16,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: amannn/action-semantic-pull-request@v5
-        if: ${{ github.repository == 'ekristen/aws-nuke' }}
+        if: github.repository == 'ekristen/aws-nuke'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}