Update php

Changes:

- https://github.com/docker-library/php/commit/545a73c: Update comment format to match our other inline comments
- https://github.com/docker-library/php/commit/b248f8f: Merge pull request https://github.com/docker-library/php/pull/816 from lcobucci/define-stopsignal-for-fpm
- https://github.com/docker-library/php/commit/e21810a: Perform graceful stops on PHP-FPM

library/php

@@ -16,7 +16,7 @@ Directory: 7.3/stretch/apache
 
 Tags: 7.3.4-fpm-stretch, 7.3-fpm-stretch, 7-fpm-stretch, fpm-stretch, 7.3.4-fpm, 7.3-fpm, 7-fpm, fpm
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: a5c895da277a71578af9561b0e282e6cb0764434
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.3/stretch/fpm
 
 Tags: 7.3.4-zts-stretch, 7.3-zts-stretch, 7-zts-stretch, zts-stretch, 7.3.4-zts, 7.3-zts, 7-zts, zts
@@ -31,7 +31,7 @@ Directory: 7.3/alpine3.9/cli
 
 Tags: 7.3.4-fpm-alpine3.9, 7.3-fpm-alpine3.9, 7-fpm-alpine3.9, fpm-alpine3.9, 7.3.4-fpm-alpine, 7.3-fpm-alpine, 7-fpm-alpine, fpm-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le
-GitCommit: a5c895da277a71578af9561b0e282e6cb0764434
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.3/alpine3.9/fpm
 
 Tags: 7.3.4-zts-alpine3.9, 7.3-zts-alpine3.9, 7-zts-alpine3.9, zts-alpine3.9, 7.3.4-zts-alpine, 7.3-zts-alpine, 7-zts-alpine, zts-alpine
@@ -46,7 +46,7 @@ Directory: 7.3/alpine3.8/cli
 
 Tags: 7.3.4-fpm-alpine3.8, 7.3-fpm-alpine3.8, 7-fpm-alpine3.8, fpm-alpine3.8
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le
-GitCommit: a5c895da277a71578af9561b0e282e6cb0764434
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.3/alpine3.8/fpm
 
 Tags: 7.3.4-zts-alpine3.8, 7.3-zts-alpine3.8, 7-zts-alpine3.8, zts-alpine3.8
@@ -66,7 +66,7 @@ Directory: 7.2/stretch/apache
 
 Tags: 7.2.17-fpm-stretch, 7.2-fpm-stretch, 7.2.17-fpm, 7.2-fpm
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: cf02ea0f79cf7cff3853f6d4254b95b65d44cc12
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.2/stretch/fpm
 
 Tags: 7.2.17-zts-stretch, 7.2-zts-stretch, 7.2.17-zts, 7.2-zts
@@ -81,7 +81,7 @@ Directory: 7.2/alpine3.9/cli
 
 Tags: 7.2.17-fpm-alpine3.9, 7.2-fpm-alpine3.9, 7.2.17-fpm-alpine, 7.2-fpm-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le
-GitCommit: cf02ea0f79cf7cff3853f6d4254b95b65d44cc12
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.2/alpine3.9/fpm
 
 Tags: 7.2.17-zts-alpine3.9, 7.2-zts-alpine3.9, 7.2.17-zts-alpine, 7.2-zts-alpine
@@ -96,7 +96,7 @@ Directory: 7.2/alpine3.8/cli
 
 Tags: 7.2.17-fpm-alpine3.8, 7.2-fpm-alpine3.8
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le
-GitCommit: cf02ea0f79cf7cff3853f6d4254b95b65d44cc12
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.2/alpine3.8/fpm
 
 Tags: 7.2.17-zts-alpine3.8, 7.2-zts-alpine3.8
@@ -116,7 +116,7 @@ Directory: 7.1/stretch/apache
 
 Tags: 7.1.28-fpm-stretch, 7.1-fpm-stretch, 7.1.28-fpm, 7.1-fpm
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 4ac9fae8a99dabcd15f660f8c950a51a1fc6b833
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.1/stretch/fpm
 
 Tags: 7.1.28-zts-stretch, 7.1-zts-stretch, 7.1.28-zts, 7.1-zts
@@ -136,7 +136,7 @@ Directory: 7.1/jessie/apache
 
 Tags: 7.1.28-fpm-jessie, 7.1-fpm-jessie
 Architectures: amd64, arm32v5, arm32v7, i386
-GitCommit: 4ac9fae8a99dabcd15f660f8c950a51a1fc6b833
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.1/jessie/fpm
 
 Tags: 7.1.28-zts-jessie, 7.1-zts-jessie
@@ -151,7 +151,7 @@ Directory: 7.1/alpine3.9/cli
 
 Tags: 7.1.28-fpm-alpine3.9, 7.1-fpm-alpine3.9, 7.1.28-fpm-alpine, 7.1-fpm-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 4ac9fae8a99dabcd15f660f8c950a51a1fc6b833
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.1/alpine3.9/fpm
 
 Tags: 7.1.28-zts-alpine3.9, 7.1-zts-alpine3.9, 7.1.28-zts-alpine, 7.1-zts-alpine
@@ -166,7 +166,7 @@ Directory: 7.1/alpine3.8/cli
 
 Tags: 7.1.28-fpm-alpine3.8, 7.1-fpm-alpine3.8
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
-GitCommit: 4ac9fae8a99dabcd15f660f8c950a51a1fc6b833
+GitCommit: 545a73c9704c5f74b79f4373ffa02776159079a5
 Directory: 7.1/alpine3.8/fpm
 
 Tags: 7.1.28-zts-alpine3.8, 7.1-zts-alpine3.8