feat(container): update image thanos to v15.5.1

[renovate]

This PR contains the following updates:

Package	Update	Change
thanos (source)	minor	15.4.3 -> 15.5.1

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Release Notes

bitnami/charts (thanos)

v15.5.1

• [bitnami/thanos] Release 15.5.1 (#​26517)

v15.5.0

• [bitnami/thanos] feat: ✨ 🔒 Add warning when original images are replaced (#​26283)

v15.4.7

• [bitnami/thanos] Release 15.4.7 updating components versions (#​26083) (e4c2454), closes #​26083

v15.4.6

• [bitnami/thanos] Release 15.4.6 updating components versions (#​25829) (bf6b3ec), closes #​25829

v15.4.4

• [bitnami/*] Set new header/owner (#​25558) (8d1dc11), closes #​25558
• [bitnami/thanos] Release 15.4.4 updating components versions (#​25622) (8f47d6a), closes #​25622

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