Updated nginx to 1.15.4.

library/nginx

@@ -3,24 +3,24 @@
 Maintainers: NGINX Docker Maintainers <[email protected]> (@nginxinc)
 GitRepo: https://github.com/nginxinc/docker-nginx.git
 
-Tags: 1.15.3, mainline, 1, 1.15, latest
+Tags: 1.15.4, mainline, 1, 1.15, latest
 Architectures: amd64, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3b108b59619655e3bd4597a059f544afa374b7fb
+GitCommit: 866b071f099f96898563f9a003c2dbb03bb90339
 Directory: mainline/stretch
 
-Tags: 1.15.3-perl, mainline-perl, 1-perl, 1.15-perl, perl
+Tags: 1.15.4-perl, mainline-perl, 1-perl, 1.15-perl, perl
 Architectures: amd64, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3b108b59619655e3bd4597a059f544afa374b7fb
+GitCommit: 866b071f099f96898563f9a003c2dbb03bb90339
 Directory: mainline/stretch-perl
 
-Tags: 1.15.3-alpine, mainline-alpine, 1-alpine, 1.15-alpine, alpine
+Tags: 1.15.4-alpine, mainline-alpine, 1-alpine, 1.15-alpine, alpine
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
-GitCommit: 3b108b59619655e3bd4597a059f544afa374b7fb
+GitCommit: 3c446adddf7b04e877d5c5191b151c794c74bb58
 Directory: mainline/alpine
 
-Tags: 1.15.3-alpine-perl, mainline-alpine-perl, 1-alpine-perl, 1.15-alpine-perl, alpine-perl
+Tags: 1.15.4-alpine-perl, mainline-alpine-perl, 1-alpine-perl, 1.15-alpine-perl, alpine-perl
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
-GitCommit: 3b108b59619655e3bd4597a059f544afa374b7fb
+GitCommit: 3c446adddf7b04e877d5c5191b151c794c74bb58
 Directory: mainline/alpine-perl
 
 Tags: 1.14.0, stable, 1.14