Update _extra.tab for environmental-chemistry-and-ecotoxicology.csl

Closes citation-style-language/styles#7691

Author: POBrien333

elsevier/_extra.tab

@@ -12,3 +12,4 @@ Resources, Environment and Sustainaility	2666-9161	elsevier-harvard	author-date
 Journal of Food Protection  0362-028X   apa author-date
 The Journal of Climate Change and Health  2667-2782  elsevier-vancouver	numeric
 Eco-Environment & Health  2772-9850  elsevier-without-titles  numeric
+Environmental Chemistry and Ecotoxicology  2590-1826  elsevier-with-titles  numeric