chore: rename deno files to ".mjs"

To ensure it is loaded and recognized as a module.
Makes eslint 9.0 configuration easier.

Author: hasezoey

package.json

@@ -101,7 +101,7 @@
     "mongo": "node ./tools/repl.js",
     "publish-7x": "npm publish --tag 7x",
     "test": "mocha --exit ./test/*.test.js",
-    "test-deno": "deno run --allow-env --allow-read --allow-net --allow-run --allow-sys --allow-write ./test/deno.js",
+    "test-deno": "deno run --allow-env --allow-read --allow-net --allow-run --allow-sys --allow-write ./test/deno.mjs",
     "test-rs": "START_REPLICA_SET=1 mocha --timeout 30000 --exit ./test/*.test.js",
     "test-tsd": "node ./test/types/check-types-filename && tsd",
     "setup-test-encryption": "bash scripts/configure-cluster-with-encryption.sh",

test/.eslintrc.yml

@@ -4,5 +4,4 @@ rules:
   # In `document.test.js` we sometimes use self assignment to test setters
   no-self-assign: off
 ignorePatterns:
-  - deno.js
-  - deno*.js
+  - deno*.mjs

test/deno.js renamed to test/deno.mjs

@@ -17,7 +17,7 @@ await fixtures.mochaGlobalSetup();
 
 const child_args = [
   ...Deno.args,
-  resolve(fileURLToPath(import.meta.url), '../deno_mocha.js')
+  resolve(fileURLToPath(import.meta.url), '../deno_mocha.mjs')
 ];
 
 const child = spawn(process.execPath, child_args, { stdio: 'inherit' });

test/deno_mocha.js renamed to test/deno_mocha.mjs

@@ -4,7 +4,7 @@ const mms = require('mongodb-memory-server');
 
 /*
 
-Note: dont use any mocha-specific things in this file, it may or may not be called without mocha (see deno.js)
+Note: dont use any mocha-specific things in this file, it may or may not be called without mocha (see deno.mjs)
 
 */