Update postgresql Docker tag to v13.4.6

[sbaizet-ledger]

This PR contains the following updates:

Package	Update	Change
postgresql (source)	minor	13.2.21 -> 13.4.6

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Release Notes

bitnami/charts (postgresql)

v13.4.4

• [bitnami/postgresql] Release 13.4.4 updating components versions (#​23002) (a87898d), closes #​23002

v13.4.3

• [bitnami/postgresql] Release 13.4.3 updating components versions (#​22811) (fdc3ad4), closes #​22811

v13.4.2

• [bitnami/*] Move documentation sections from docs.bitnami.com back to the README (#​22203) (7564f36), closes #​22203
• [bitnami/postgresql] fix: 🐛 Set seLinuxOptions to null for Openshift compatibility (#​22646) (b119bec), closes #​22646
• [bitnami/postgresql] Release 13.4.2 updating components versions (#​22785) (6682e9c), closes #​22785

v13.4.1

• [bitnami/postgresql] Release 13.4.1 updating components versions (#​22677) (0bb8b48), closes #​22677

v13.4.0

• [bitnami/postgresql] fix: 🔒 Move service-account token auto-mount to pod declaration (#​22450) (002c752), closes #​22450

v13.3.1

• [bitnami/postgresql] Release 13.3.1 updating components versions (#​22359) (361f7ab), closes #​22359

v13.3.0

• [bitnami/postgresql] fix: 🔒 Improve podSecurityContext and containerSecurityContext with essent (fe72f51), closes #​22177

v13.2.30

• [bitnami/*] Fix ref links (in comments) (#​21822) (e4fa296), closes #​21822
• [bitnami/postgresql] fix: 🔒 Do not use the default service account (#​22026) (1b20745), closes #​22026

v13.2.29

• [bitnami/*] Fix docs.bitnami.com broken links (#​21901) (f35506d), closes #​21901
• [bitnami/postgresql] Release 13.2.29 updating components versions (#​21970) (dcfb216), closes #​21970
• fixed backup with autogenerated cert (#​21888) (2d25138), closes #​21888

v13.2.28

• [bitnami/*] Update copyright: Year and company (#​21815) (6c4bf75), closes #​21815
• [bitnami/postgresql] Release 13.2.28 updating components versions (#​21902) (d0f6b90), closes #​21902

v13.2.27

• [bitnami/postgresql] Release 13.2.27 updating components versions (#​21795) (26711f8), closes #​21795

v13.2.26

• [bitnami/postgresql] Release 13.2.26 updating components versions (#​21774) (0f0f93b), closes #​21774

v13.2.25

• [bitnami/postgresql] Release 13.2.25 updating components versions (#​21710) (813da6b), closes #​21710

v13.2.24

• [bitnami/postgresql] Replace deprecated pull secret partial (#​21392) (cee371d), closes #​21392

v13.2.23

• [bitnami/postgresql] Release 13.2.23 updating components versions (#​21336) (c3dc56f), closes #​21336

v13.2.22

• [bitnami/postgresql] Release 13.2.22 updating components versions (#​21335) (f759303), closes #​21335

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