build(lint): run "check-strings"

This list was *almost* in alphabetical order, so I've reordered it.  If
there's a logical order in which we want these targets to run, we should
document that.

Makefile

@@ -139,7 +139,7 @@ yamllint:  ## Lint YAML files (does not validate syntax!).
 	@echo
 
 .PHONY: lint
-lint: ansible-config-lint check-ruff app-lint check-black html-lint shellcheck typelint yamllint ## Runs all lint checks
+lint: ansible-config-lint app-lint check-black check-strings check-ruff html-lint shellcheck typelint yamllint ## Runs all lint checks
 
 .PHONY: safety
 safety:  ## Run `safety check` to check python dependencies for vulnerabilities.