Fix `Cannot find module` issue (#8770)

* Add --force to yarn in the installation script

* CHAGELOG

CHANGELOG.md

@@ -43,6 +43,7 @@ You should also include the user name that made the change.
 - Server: use correct order of attachments on notes @Johann150
 - Server: prevent crash when processing certain PNGs @syuilo
 - Server: Fix unable to generate video thumbnails @mei23
+- Server: Fix `Cannot find module` issue @mei23
 
 ## 12.110.1 (2022/04/23)
 

scripts/install-packages.js

@@ -3,7 +3,7 @@ const execa = require('execa');
 (async () => {
 	console.log('installing dependencies of packages/backend ...');
 
-	await execa('yarn', ['install'], {
+	await execa('yarn', ['--force', 'install'], {
 		cwd: __dirname + '/../packages/backend',
 		stdout: process.stdout,
 		stderr: process.stderr,