Update postgres

Changes:

- docker-library/postgres@38b3c10: Merge pull request docker-library/postgres#1345 from infosiftr/conditional-jit
- docker-library/postgres@46e8474: Only install 18+ JIT package on architectures where it's supported

Author: docker-library-bot

library/postgres

@@ -6,12 +6,12 @@ GitRepo: https://github.com/docker-library/postgres.git
 
 Tags: 18beta1, 18beta1-bookworm
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 2c6fe8daca9d2ccc143afe6b1cdbc1eb80379d3f
+GitCommit: 46e8474a6e8ac8460416ac62afcbdf59cfeb6366
 Directory: 18/bookworm
 
 Tags: 18beta1-bullseye
 Architectures: amd64, arm32v7, arm64v8, i386
-GitCommit: 2c6fe8daca9d2ccc143afe6b1cdbc1eb80379d3f
+GitCommit: 46e8474a6e8ac8460416ac62afcbdf59cfeb6366
 Directory: 18/bullseye
 
 Tags: 18beta1-alpine3.22, 18beta1-alpine