[no-relnote] Fix E2E matrix conditional

Signed-off-by: Carlos Eduardo Arango Gutierrez <[email protected]>

Author: ArangoGutierrez

.github/workflows/e2e.yaml

@@ -40,7 +40,7 @@ jobs:
     strategy:
       matrix:
         is_pull_request:
-          - ${{!( startsWith(github.ref, 'refs/pull/') )}}
+          - ${{ fromJSON(startsWith(github.ref, 'refs/pull/')) }}
         driver_branch:
           - 550
           - 575