chore: set shell at the top of the job

.github/composite/fossa-composite/action.yml

@@ -2,10 +2,10 @@ name: 'FOSSA Composite Action'
 description: 'Shared action for running FOSSA workflows'
 runs:
  using: 'composite'
+ shell: bash
  steps: 
  - id: fossa-list-targets
  name: Run fossa list-targets
- shell: bash
  run: |
  curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install-latest.sh | bash
  export LIST_TARGETS_OUT_FILE=${{ runner.temp }}/list-targets_out.txt
@@ -31,7 +31,6 @@ runs:
 
  - id: fossa-analyze
  name: Run fossa analyze
- shell: bash
  if: ${{ env.HAS_FOSSA_TARGETS == 'True'}}
  run: |
  export ANALYZE_OUT_FILE=${{ runner.temp }}/analyze_out.txt
@@ -48,7 +47,6 @@ runs:
  fi
 
  - name: Set custom properties 
- shell: bash
  run: |
  response=$(curl --write-out '%{http_code}' --silent --output /dev/null \
  -L \
@@ -64,7 +62,6 @@ runs:
  echo "::warning::Writing custom properties failed."
  fi
  - name: Exit
- shell: bash
  if: ${{ env.HAS_FOSSA_TARGETS == 'Error' || env.FOSSA_ANALYZE_RESULT == 'Error' }}
  run: |
  echo "::notice::FOSSA - please follow up internally."