chore(deps): update registry.gitlab.com/security-products/container-scanning docker tag to v8

This MR contains the following updates:

Package	Type	Update	Change
registry.gitlab.com/security-products/container-scanning	final	major	7 -> 8

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Release Notes

gitlab-org/security-products/analyzers/container-scanning (registry.gitlab.com/security-products/container-scanning)

v8

Fixed

• Fix $PATH variable for access to gtcs in fips images (https://gitlab.com/gitlab-org/security-products/analyzers/container-scanning/-/merge_requests/3237)

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