Update postgres

Changes:

- https://github.com/docker-library/postgres/commit/4dc16e4: Merge pull request https://github.com/docker-library/postgres/pull/686 from infosiftr/xz-files
- https://github.com/docker-library/postgres/commit/4f70bf2: Add .sql.xz support to docker-entrypoint-initdb.d
- https://github.com/docker-library/postgres/commit/ba0e45b: Merge pull request https://github.com/docker-library/postgres/pull/685 from infosiftr/clarify-unset
- https://github.com/docker-library/postgres/commit/f1bc878: Clarify that "POSTGRES_PASSWORD" should be non-empty
- https://github.com/docker-library/postgres/commit/05ac2d3: Merge pull request https://github.com/docker-library/postgres/pull/680 from infosiftr/eol-9.4
- https://github.com/docker-library/postgres/commit/6bb7ce5: Remove EOL 9.4
- https://github.com/docker-library/postgres/commit/6d1f671: Merge pull request https://github.com/docker-library/postgres/pull/669 from yaroze/master

library/postgres

@@ -6,60 +6,50 @@ GitRepo: https://github.com/docker-library/postgres.git
 
 Tags: 12.2, 12, latest
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 10fe2ae44bfcc7e26d05e898f3baf3a019c82dd7
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 12
 
 Tags: 12.2-alpine, 12-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 691a785b0bcb7aea28225a17e794a1edeedf531e
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 12/alpine
 
 Tags: 11.7, 11
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 505eda129119afc4cfc86fcacd407a31e9ab22c0
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 11
 
 Tags: 11.7-alpine, 11-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: d3908b054de55e0f6bdcd2ec01a20a278022d5b1
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 11/alpine
 
 Tags: 10.12, 10
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: d21499fa3f55639c6751423e55ff630516bf34e3
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 10
 
 Tags: 10.12-alpine, 10-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 8bebabd5bcfa166ff8ac29a5166d2c1eb6e36002
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 10/alpine
 
 Tags: 9.6.17, 9.6, 9
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 9558084c73fd9bb5e3c7d8048e6a46f9e18a6ea2
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 9.6
 
 Tags: 9.6.17-alpine, 9.6-alpine, 9-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 06bd57c3c36caa0c8b629e2f4b54a5e46dafa901
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 9.6/alpine
 
 Tags: 9.5.21, 9.5
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: f45fb749594bfe5ea893fe8b3340757600f03f7e
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 9.5
 
 Tags: 9.5.21-alpine, 9.5-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 33e66cdc27fb5558266b52658c081226d2272995
+GitCommit: 4f70bf2b811bcdb4ab1a015ef703373226452157
 Directory: 9.5/alpine
-
-Tags: 9.4.26, 9.4
-Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: ef7af1266db5b895a2981aeba25accf074d82a6b
-Directory: 9.4
-
-Tags: 9.4.26-alpine, 9.4-alpine
-Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 473b58e971e2eb0351af12288dc4976bd3c591ad
-Directory: 9.4/alpine