Update postgres

Changes:

- https://github.com/docker-library/postgres/commit/18c1bef: Merge pull request https://github.com/docker-library/postgres/pull/1077 from infosiftr/llvm-fix
- https://github.com/docker-library/postgres/commit/a3b0bb6: Downgrade llvm to 15 to fix jit support
- https://github.com/docker-library/postgres/commit/1c1e4ff: Add the ability for us to manually trigger GitHub tests

library/postgres

@@ -11,7 +11,7 @@ Directory: 15/bullseye
 
 Tags: 15.3-alpine, 15-alpine, alpine, 15.3-alpine3.18, 15-alpine3.18, alpine3.18
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: a23c0e97980edae5be2cd4eb68ff1f0762d031cd
+GitCommit: a3b0bb68faed03c6edd3978b8dd34ca67881f7c7
 Directory: 15/alpine
 
 Tags: 14.8, 14, 14.8-bullseye, 14-bullseye
@@ -21,7 +21,7 @@ Directory: 14/bullseye
 
 Tags: 14.8-alpine, 14-alpine, 14.8-alpine3.18, 14-alpine3.18
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 8ff11cd5ae43e73fd84d0b2bc8aa88537fe18649
+GitCommit: a3b0bb68faed03c6edd3978b8dd34ca67881f7c7
 Directory: 14/alpine
 
 Tags: 13.11, 13, 13.11-bullseye, 13-bullseye
@@ -31,7 +31,7 @@ Directory: 13/bullseye
 
 Tags: 13.11-alpine, 13-alpine, 13.11-alpine3.18, 13-alpine3.18
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 43d17d5ced92f230fa8c196e746f2e2aa288e5e8
+GitCommit: a3b0bb68faed03c6edd3978b8dd34ca67881f7c7
 Directory: 13/alpine
 
 Tags: 12.15, 12, 12.15-bullseye, 12-bullseye
@@ -41,7 +41,7 @@ Directory: 12/bullseye
 
 Tags: 12.15-alpine, 12-alpine, 12.15-alpine3.18, 12-alpine3.18
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: d681c1da2faebccc790fffd3e71514548b458d50
+GitCommit: a3b0bb68faed03c6edd3978b8dd34ca67881f7c7
 Directory: 12/alpine
 
 Tags: 11.20-bullseye, 11-bullseye
@@ -51,5 +51,5 @@ Directory: 11/bullseye
 
 Tags: 11.20-alpine, 11-alpine, 11.20-alpine3.18, 11-alpine3.18
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: ee629b1e31754d3aeed529a1a3610ac180f20e0b
+GitCommit: a3b0bb68faed03c6edd3978b8dd34ca67881f7c7
 Directory: 11/alpine