fix regex for composer updates

[usu]

Fixes composer regex to properly identify prereleases

Hope this fixes automatic composer updates in our workflows

[BacLuc]

Could be:
https://productionresultssa15.blob.core.windows.net/actions-results/518609e5-8a00-46a4-9546-07a98a8fb88c/workflow-job-run-dd8dd1a4-fd8c-52e0-8c14-3b0f6ca8f101/logs/job/job-logs.txt?rsct=text%2Fplain&se=2026-05-14T20%3A18%3A21Z&sig=d5K51NqnZVsgcNBA3dSqc%2F%2BsZKAp5lXyLRQV8mDcvuE%3D&ske=2026-05-14T23%3A38%3A56Z&skoid=ca7593d4-ee42-46cd-af88-8b886a2f84eb&sks=b&skt=2026-05-14T19%3A38%3A56Z&sktid=398a6654-997b-47e9-b12b-9515b896b4de&skv=2025-11-05&sp=r&spr=https&sr=b&st=2026-05-14T20%3A08%3A16Z&sv=2025-11-05

{
2026-05-14T08:39:59.1613422Z "deps": [
2026-05-14T08:39:59.1613481Z {
2026-05-14T08:39:59.1613574Z "depName": "composer",
2026-05-14T08:39:59.1613676Z "packageName": "composer/composer",
2026-05-14T08:39:59.1613753Z "currentValue": "2.9.0",
2026-05-14T08:39:59.1613852Z "datasource": "github-tags",
2026-05-14T08:39:59.1614102Z "versioning": "regex:^(?\d+)\.(?\d+)\.(?\d+)(-(?\w+))?$",
2026-05-14T08:39:59.1614205Z "replaceString": "tools: composer:2.9.0",
2026-05-14T08:39:59.1614478Z "skipReason": "github-token-required",
2026-05-14T08:39:59.1614564Z "updates": []
2026-05-14T08:39:59.1614629Z }
2026-05-14T08:39:59.1614690Z ],