space after end of heredoc

Author: ianbotsf

.github/actions/emit-metrics/action.yml

@@ -67,11 +67,11 @@ runs:
 
         RAW_DIMENSIONS=$(cat << END_OF_DIMENSIONS
         ${{ inputs.dimensions }}
-        END_OF_DIMENSIONS)
+        END_OF_DIMENSIONS )
 
         RAW_METRICS=$(cat << END_OF_METRICS
         ${{ inputs.metrics }}
-        END_OF_METRICS)
+        END_OF_METRICS )
 
         NAMESPACE="--namespace \"${{ inputs.namespace }}\""
         DIMENSIONS="$(format "--dimension" "$RAW_DIMENSIONS")"