build: Use .cjs file extension with CJS jest configs (#19502)

Renames all the Jest config files to use the .cjs file extension. This
will make it easier to add type: module to ESM-only packages.

I used these commands to do the bulk of the work:

```shell
fd --glob "**/jest*.config.js" --hidden --exec mv {} {.}.cjs
fd --extension test.ts --exec sd --fixed-strings 'jest.config";' 'jest.config.cjs";'
```

---------

Co-authored-by: Daniel Lehenbauer <[email protected]>

Author: tylerbutler

examples/apps/attributable-map/jest-puppeteer.config.js renamed to examples/apps/attributable-map/jest-puppeteer.config.cjs

@@ -3,7 +3,7 @@
  * Licensed under the MIT License.
  */
 
-import { globals } from "../jest.config";
+import { globals } from "../jest.config.cjs";
 import { retryWithEventualValue } from "@fluidframework/test-utils";
 
 describe("collaborativetext", () => {

examples/apps/attributable-map/jest.config.js renamed to examples/apps/attributable-map/jest.config.cjs

@@ -3,7 +3,7 @@
  * Licensed under the MIT License.
  */
 
-import { globals } from "../jest.config";
+import { globals } from "../jest.config.cjs";
 
 // Tests disabled -- requires Tinylicious to be running, which our test environment doesn't do.
 describe("contactCollection", () => {