Add Dependency Scanning support for Cargo, Conda, Cocoapods and Swift in the latest Dependency Scanning CI template using the new DS analyzer
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### Release notes
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### Problem to solve
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During the last year we've experimented with supporting new technologies and dogfood the CI/CD components to enable them.
As the new DS analyzer is gaining maturity, and as we've refined our rollout strategy, we feel confident in enabling support for these new type of projects in the `latest` Dependency Scanning template.
- C/C++/Fortran/Go/Python/R projects using conda (conda-lock.yml).
- Objective-C projects using cocoapods (Podfile.lock).
- Rust projects using Cargo (Cargo.lock).
- Swift projects using Swift (Package.resolved).
### Proposal
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Enable the new DS analyzer to run by default in the latest Dependency Scanning CI/CD template `lib/gitlab/ci/templates/Jobs/Dependency-Scanning.latest.gitlab-ci.yml` by default to scan the following projects:
- C/C++/Fortran/Go/Python/R projects using conda (conda-lock.yml).
- Objective-C projects using cocoapods (Podfile.lock).
- Rust projects using Cargo (Cargo.lock).
- Swift projects using Swift (Package.resolved).
This change is associated with the [rollout strategy for the new DS analyzer and deprecation of build support and Gemnasium analyzer](https://gitlab.com/gitlab-org/gitlab/-/issues/517653).
### Implementation plan
- [x] the template update will be done with https://gitlab.com/gitlab-org/gitlab/-/issues/501103+.
- MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/178065+
- [x] announce the new feature in a release post item
- MR: https://gitlab.com/gitlab-com/www-gitlab-com/-/merge_requests/138218+
- [x] update the [DS with SBOM user documentation](https://docs.gitlab.com/ee/user/application_security/dependency_scanning/dependency_scanning_sbom/)
- MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181499+
Due to [an incident](https://gitlab.com/gitlab-com/gl-infra/production/-/issues/19310#customer-impact) caused by this change, we've reverted the template update and instead only roll out the change to the `latest` template:
- [x] Revert MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181540+
- [x] new MR to update the latest template only: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181546+
- [x] MR to adjust the release post item: https://gitlab.com/gitlab-com/www-gitlab-com/-/merge_requests/138244+
- [x] MR to adjust the user documentation, deprecation announcement and migration guide: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181557+
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