Update general dependencies (do in R25.12)

[matbmoser]

Some of our components are quite old and we should consider updates. Potential components:

• Postgres
• Kubernetes

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update 23.05.2024 b< @stephanbcbauer

• every product would need to be updated
• make this part of the planning, involve @ds-hzimmer, @MonikaJacobsen to coordinate ⇾ take it to the next planning 25.12

note: dependabot is also supporting helm charts

Proposal Pull Request (Postgres 16): #1286

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Testmanagement will create item for planning of Release 25.12

update 26.09.2025 @Phil91:

@tom-rm-meyer-ISST will test the update of Postgres & Keycloak with the image from cloudpirates

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update 10.10.2025

For the release 25.12:

Issue to upgrade to (Postgres 17): eclipse-tractusx/sig-release#1501

TRG needs to be changed to reference to the right image. Right now it is assigned to Bitnami.