chore: rename top-level vitest config files to *.mts

Author: trivikr

Makefile

@@ -17,20 +17,20 @@ sync:
 bundles: build-s3-browser-bundle build-signature-v4-multi-region-browser-bundle
 
 test-unit: bundles
-	yarn g:vitest run -c vitest.config.ts
+	yarn g:vitest run -c vitest.config.mts
 	yarn g:vitest run -c vitest.config.browser.mts
-	yarn g:vitest run -c vitest.config.clients.unit.ts
+	yarn g:vitest run -c vitest.config.clients.unit.mts
 	npx jest -c jest.config.js
 
 # typecheck for test code.
 test-types:
 	npx tsc -p tsconfig.test.json
 
 test-protocols: bundles
-	yarn g:vitest run -c vitest.config.protocols.integ.ts
+	yarn g:vitest run -c vitest.config.protocols.integ.mts
 
 test-schema: bundles
-	yarn g:vitest run -c vitest.config.protocols-schema.integ.ts
+	yarn g:vitest run -c vitest.config.protocols-schema.integ.mts
 
 test-integration: bundles
 	rm -rf ./clients/client-sso/node_modules/\@smithy # todo(yarn) incompatible redundant nesting.