Update php

Changes:

- https://github.com/docker-library/php/commit/9e50ad0: Set STOPSIGNAL to WINCH for httpd's "graceful-stop"

library/php

@@ -11,7 +11,7 @@ Directory: 7.4-rc/buster/cli
 
 Tags: 7.4.0beta2-apache-buster, 7.4-rc-apache-buster, rc-apache-buster, 7.4.0beta2-apache, 7.4-rc-apache, rc-apache
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: 876847bf3136c94117f49a682bd5b99225e4ee06
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.4-rc/buster/apache
 
 Tags: 7.4.0beta2-fpm-buster, 7.4-rc-fpm-buster, rc-fpm-buster, 7.4.0beta2-fpm, 7.4-rc-fpm, rc-fpm
@@ -46,7 +46,7 @@ Directory: 7.3/buster/cli
 
 Tags: 7.3.8-apache-buster, 7.3-apache-buster, 7-apache-buster, apache-buster, 7.3.8-apache, 7.3-apache, 7-apache, apache
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: 135204c0f4c7a255ee70ec82dc1133929f9676c0
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.3/buster/apache
 
 Tags: 7.3.8-fpm-buster, 7.3-fpm-buster, 7-fpm-buster, fpm-buster, 7.3.8-fpm, 7.3-fpm, 7-fpm, fpm
@@ -66,7 +66,7 @@ Directory: 7.3/stretch/cli
 
 Tags: 7.3.8-apache-stretch, 7.3-apache-stretch, 7-apache-stretch, apache-stretch
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: 135204c0f4c7a255ee70ec82dc1133929f9676c0
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.3/stretch/apache
 
 Tags: 7.3.8-fpm-stretch, 7.3-fpm-stretch, 7-fpm-stretch, fpm-stretch
@@ -116,7 +116,7 @@ Directory: 7.2/buster/cli
 
 Tags: 7.2.21-apache-buster, 7.2-apache-buster, 7.2.21-apache, 7.2-apache
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: b909ae3f886865d5144fc344b6c755cafbd95715
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.2/buster/apache
 
 Tags: 7.2.21-fpm-buster, 7.2-fpm-buster, 7.2.21-fpm, 7.2-fpm
@@ -136,7 +136,7 @@ Directory: 7.2/stretch/cli
 
 Tags: 7.2.21-apache-stretch, 7.2-apache-stretch
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le
-GitCommit: b909ae3f886865d5144fc344b6c755cafbd95715
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.2/stretch/apache
 
 Tags: 7.2.21-fpm-stretch, 7.2-fpm-stretch
@@ -186,7 +186,7 @@ Directory: 7.1/buster/cli
 
 Tags: 7.1.31-apache-buster, 7.1-apache-buster, 7.1.31-apache, 7.1-apache
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 06247548a0b2ae835451af0603773e3e2309fcad
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.1/buster/apache
 
 Tags: 7.1.31-fpm-buster, 7.1-fpm-buster, 7.1.31-fpm, 7.1-fpm
@@ -206,7 +206,7 @@ Directory: 7.1/stretch/cli
 
 Tags: 7.1.31-apache-stretch, 7.1-apache-stretch
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 06247548a0b2ae835451af0603773e3e2309fcad
+GitCommit: 9e50ad06426e7de8213ec59ce96dbeab38266dfe
 Directory: 7.1/stretch/apache
 
 Tags: 7.1.31-fpm-stretch, 7.1-fpm-stretch