chore(deps): bump ghcr.io/devcontainers/features/docker-in-docker from 3.1.0 to 4.0.0

[dependabot]

Bumps ghcr.io/devcontainers/features/docker-in-docker from 3.1.0 to 4.0.0.

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Super-linter summary

Language	Validation result
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GIT_MERGE_CONFLICT_MARKERS	Pass ✅
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Report Summary

┌──────────────────────────────────────────────┬────────────┬─────────────────┬───────────────────┬─────────┐
│                    Target                    │    Type    │ Vulnerabilities │ Misconfigurations │ Secrets │
├──────────────────────────────────────────────┼────────────┼─────────────────┼───────────────────┼─────────┤
│ actions/helm/generate-docs/package-lock.json │    npm     │        2        │         -         │    -    │
├──────────────────────────────────────────────┼────────────┼─────────────────┼───────────────────┼─────────┤
│ actions/helm/release-chart/package-lock.json │    npm     │        0        │         -         │    -    │
├──────────────────────────────────────────────┼────────────┼─────────────────┼───────────────────┼─────────┤
│ tests/charts/package-lock.json               │    npm     │        0        │         -         │    -    │
├──────────────────────────────────────────────┼────────────┼─────────────────┼───────────────────┼─────────┤
│ Dockerfile                                   │ dockerfile │        -        │         0         │    -    │
├──────────────────────────────────────────────┼────────────┼─────────────────┼───────────────────┼─────────┤
│ tests/application/Dockerfile                 │ dockerfile │        -        │         0         │    -    │
└──────────────────────────────────────────────┴────────────┴─────────────────┴───────────────────┴─────────┘
Legend:
- '-': Not scanned
- '0': Clean (no security findings detected)


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actions/helm/generate-docs/package-lock.json (npm)
==================================================
Total: 2 (UNKNOWN: 0, LOW: 0, MEDIUM: 2, HIGH: 0, CRITICAL: 0)

┌─────────────┬────────────────┬──────────┬────────┬───────────────────┬───────────────┬─────────────────────────────────────────────────────────────┐
│   Library   │ Vulnerability  │ Severity │ Status │ Installed Version │ Fixed Version │                            Title                            │
├─────────────┼────────────────┼──────────┼────────┼───────────────────┼───────────────┼─────────────────────────────────────────────────────────────┤
│ js-yaml     │ CVE-2026-53550 │ MEDIUM   │ fixed  │ 4.1.1             │ 4.2.0         │ js-yaml is a JavaScript YAML parser and dumper. Prior to    │
│             │                │          │        │                   │               │ 4.2.0, a...                                                 │
│             │                │          │        │                   │               │ https://avd.aquasec.com/nvd/cve-2026-53550                  │
├─────────────┼────────────────┤          │        ├───────────────────┼───────────────┼─────────────────────────────────────────────────────────────┤
│ markdown-it │ CVE-2026-48988 │          │        │ 14.1.1            │ 14.2.0        │ markdown-it is a Markdown parser. Versions 14.1.1 and below │
│             │                │          │        │                   │               │ contain a ...                                               │
│             │                │          │        │                   │               │ https://avd.aquasec.com/nvd/cve-2026-48988                  │
└─────────────┴────────────────┴──────────┴────────┴───────────────────┴───────────────┴─────────────────────────────────────────────────────────────┘