Update postgres

Changes:

- https://github.com/docker-library/postgres/commit/bb0d979: Update to 13beta2
- https://github.com/docker-library/postgres/commit/4c2e78c: Update to 13~beta2-1.pgdg100+1
- https://github.com/docker-library/postgres/commit/441533a: Merge pull request https://github.com/docker-library/postgres/pull/749 from infosiftr/alpine-fetch-deps
- https://github.com/docker-library/postgres/commit/1d14037: Remove (no longer necessary) Alpine fetch-deps

library/postgres

@@ -4,14 +4,14 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/postgres.git
 
-Tags: 13-beta1, 13
+Tags: 13-beta2, 13
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 682ff83c5c83f1b6f2b02caf7aa3e17a491b403a
+GitCommit: 4c2e78c234a8e4293a5d6bb6a4d20421236d98d8
 Directory: 13
 
-Tags: 13-beta1-alpine, 13-alpine
+Tags: 13-beta2-alpine, 13-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: b1f60bd4f88fa2f82aaaa304dc1476a26938cb38
+GitCommit: bb0d97951918e6d281f510adb3896da433a52bc4
 Directory: 13/alpine
 
 Tags: 12.3, 12, latest
@@ -21,7 +21,7 @@ Directory: 12
 
 Tags: 12.3-alpine, 12-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: b1f60bd4f88fa2f82aaaa304dc1476a26938cb38
+GitCommit: 1d140375b6830c65cfeaac3642c7fda6d3e1b29a
 Directory: 12/alpine
 
 Tags: 11.8, 11
@@ -31,7 +31,7 @@ Directory: 11
 
 Tags: 11.8-alpine, 11-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: b1f60bd4f88fa2f82aaaa304dc1476a26938cb38
+GitCommit: 1d140375b6830c65cfeaac3642c7fda6d3e1b29a
 Directory: 11/alpine
 
 Tags: 10.13, 10
@@ -41,7 +41,7 @@ Directory: 10
 
 Tags: 10.13-alpine, 10-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: b1f60bd4f88fa2f82aaaa304dc1476a26938cb38
+GitCommit: 1d140375b6830c65cfeaac3642c7fda6d3e1b29a
 Directory: 10/alpine
 
 Tags: 9.6.18, 9.6, 9
@@ -51,7 +51,7 @@ Directory: 9.6
 
 Tags: 9.6.18-alpine, 9.6-alpine, 9-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: b1f60bd4f88fa2f82aaaa304dc1476a26938cb38
+GitCommit: 1d140375b6830c65cfeaac3642c7fda6d3e1b29a
 Directory: 9.6/alpine
 
 Tags: 9.5.22, 9.5
@@ -61,5 +61,5 @@ Directory: 9.5
 
 Tags: 9.5.22-alpine, 9.5-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: b1f60bd4f88fa2f82aaaa304dc1476a26938cb38
+GitCommit: 1d140375b6830c65cfeaac3642c7fda6d3e1b29a
 Directory: 9.5/alpine