Update postgresql Docker tag to v16

[small-hack-renovate]

This PR contains the following updates:

Package	Update	Change
postgresql (source)	major	15.5.16 -> 16.0.0

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Release Notes

bitnami/charts (postgresql)

v16.0.0

• [bitnami/postgresql] Release 16.0.0 (#​29723)

v15.5.38

• [bitnami/postgresql] Release 15.5.38 (#​29681) (105fcbb), closes #​29681

v15.5.37

• [bitnami/postgresql] Release 15.5.37 (#​29660) (45cada1), closes #​29660

v15.5.36

• [bitnami/postgresql] Release 15.5.36 (#​29640) (074e377), closes #​29640

v15.5.35

• [bitnami/postgresql] Release 15.5.35 (#​29610) (1f3717a), closes #​29610

v15.5.32

• [bitnami/postgresql] test: ✅ Improve reliability of ginkgo tests (#​29472) (c43177e), closes #​29472

v15.5.31

• [bitnami/postgresql] Release 15.5.31 (#​29404) (baf9a0f), closes #​29404

v15.5.30

• [bitnami/postgresql] collect metrics as postgres user (#​29201) (7240870), closes #​29201

v15.5.29

• [bitnami/postgresql] Release 15.5.29 (#​29330) (3c161f7), closes #​29330

v15.5.28

• [bitnami/postgresql] Release 15.5.28 (#​29206) (2b42eb7), closes #​29206

v15.5.27

• [bitnami/postgresql] Release 15.5.27 (#​29122) (08dfd32), closes #​29122

v15.5.26

• [bitnami/postgresql] Release 15.5.26 (#​29040) (fd112fb), closes #​29040

v15.5.25

• [bitnami/postgresql] Release 15.5.25 (#​29037) (8267ba0), closes #​29037

v15.5.24

• [bitnami/postgresql] eval. certificatesSecret as template (#​28831) (05c09db), closes #​28831

v15.5.23

• [bitnami/postgresql] Release 15.5.23 (#​28922) (d60e431), closes #​28922

v15.5.22

• [bitnami/postgresql] Release 15.5.22 (#​28905) (9666e6a), closes #​28905

v15.5.21

• [bitnami/postgresql] Release 15.5.21 (#​28800) (da5f1c5), closes #​28800

v15.5.20

• [bitnami/postgresql] Release 15.5.20 (#​28489) (89f10d4), closes #​28489

v15.5.19

• [bitnami/postgresql] Release 15.5.19 (#​28352) (59696e9), closes #​28352

v15.5.18

• [bitnami/postgresql] Release 15.5.18 (#​28221) (8976498), closes #​28221

v15.5.17

• [bitnami/postgresql] Global StorageClass as default value (#​28082) (6267bb7), closes #​28082

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