:beetle: Add missing dependency to templates for project page

Otherwise, modifying a template builds everything but the project page
list.

makefile

@@ -39,7 +39,7 @@ build: $(GEN_CONTENT_FILES)
 $(GEN_LIST_YML): $(SRC_LIST_YML)
 	$(LIST_GEN) $(SRC_LIST_YML) > $@
 
-src/projets/content.gen.html: src/projets/content.src.html src/projets/content.meta.yml $(GEN_LIST_YML)
+src/projets/content.gen.html: src/projets/content.src.html src/projets/content.meta.yml $(GEN_LIST_YML) $(SRC_TEMPLATES)
 	$(PANDOC_GEN) --metadata-file src/projets/content.meta.yml --metadata-file $(GEN_LIST_YML) --output $@ $<
 
 # Distribution