[8.x](backport #5563) Fix the complete image for Wolfi

[mergify]

There was a missed rename in #5557

Testing:

PLATFORMS=linux/arm64 PACKAGES=docker mage package

Then get shell and check the dependencies for Synthetics are there:

docker run -it --rm --entrypoint bash docker.elastic.co/beats/elastic-agent-complete-wolfi:9.0.0
ls -lah ~/.npm/bin
```<hr>This is an automatic backport of pull request #5563 done by [Mergify](https://mergify.com).

[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarQube

[ycombinator]

CI is failing on unrelated tests, which will be addressed once #5564 is merged and backported to 8.x. Force merging to make sure the -complete-wolfi image contains the Synthetics dependencies.