Bump N+ version to 20.

alpine/Makefile

diff --git a/alpine/Makefile b/alpine/Makefile
index 1b193f3..642b344 100644
--- a/alpine/Makefile
+++ b/alpine/Makefile
@@ -2,7 +2,7 @@
 
 BASE_VERSION=	1.17.6
 BASE_RELEASE=	1
-PLUS_VERSION=	19
+PLUS_VERSION=	20
 PLUS_RELEASE=	${BASE_RELEASE}
 BASE_SRC=	nginx-$(BASE_VERSION).tar.gz
 SRCDIR=		nginx-$(BASE_VERSION)

debian/Makefile

diff --git a/debian/Makefile b/debian/Makefile
index f6ae08f..c4ed552 100644
--- a/debian/Makefile
+++ b/debian/Makefile
@@ -2,7 +2,7 @@
 
 BASE_VERSION=	1.17.6
 BASE_RELEASE=	1
-PLUS_VERSION=	19
+PLUS_VERSION=	20
 BASE_SRC=	nginx-$(BASE_VERSION).tar.gz
 SRCDIR=		nginx-$(BASE_VERSION)
 SRCPATH?=	../..

rpm/SPECS/Makefile

diff --git a/rpm/SPECS/Makefile b/rpm/SPECS/Makefile
index e6f91f0..184b73d 100644
--- a/rpm/SPECS/Makefile
+++ b/rpm/SPECS/Makefile
@@ -2,7 +2,7 @@
 
 BASE_VERSION=	1.17.6
 BASE_RELEASE=	1
-PLUS_VERSION=	19
+PLUS_VERSION=	20
 BASE_SRC=	nginx-$(BASE_VERSION).tar.gz
 SRCPATH?=	../SOURCES
 BUILD_ENV_PATH=	${HOME}/rpmbuild