fix(templates): fixed diagnostics workflow (#96)

Author: srdtrk

Diff for: templates/interchaintestv8/github/files/e2e.yml.plush

@@ -75,6 +75,5 @@ jobs:
         if: ${{ failure() }}
         continue-on-error: true
         with:
-          name: '${{ matrix.entrypoint }}-${{ matrix.test }}'
           path: <%= TestDir %>/diagnostics
           retention-days: 5