Updated stable nginx to 1.22.0.

Notable changes also include Alpine 3.16 as a base os.

library/nginx

@@ -1,4 +1,4 @@
-# this file is generated via https://github.com/nginxinc/docker-nginx/blob/f3fe494531f9b157d9c09ba509e412dace54cd4f/generate-stackbrew-library.sh
+# this file is generated via https://github.com/nginxinc/docker-nginx/blob/88018137053bdda23bd31fd61249b4b521eaffcf/generate-stackbrew-library.sh
 
 Maintainers: NGINX Docker Maintainers <[email protected]> (@nginxinc)
 GitRepo: https://github.com/nginxinc/docker-nginx.git
@@ -23,22 +23,22 @@ Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
 GitCommit: d039609e3a537df4e15a454fdb5a004d519e9a11
 Directory: mainline/alpine-perl
 
-Tags: 1.20.2, stable, 1.20
+Tags: 1.22.0, stable, 1.22
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: d039609e3a537df4e15a454fdb5a004d519e9a11
+GitCommit: b18fb328f999b28a7bb6d86e06b0756c1befa21a
 Directory: stable/debian
 
-Tags: 1.20.2-perl, stable-perl, 1.20-perl
+Tags: 1.22.0-perl, stable-perl, 1.22-perl
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: d039609e3a537df4e15a454fdb5a004d519e9a11
+GitCommit: b18fb328f999b28a7bb6d86e06b0756c1befa21a
 Directory: stable/debian-perl
 
-Tags: 1.20.2-alpine, stable-alpine, 1.20-alpine
+Tags: 1.22.0-alpine, stable-alpine, 1.22-alpine
 Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
-GitCommit: d039609e3a537df4e15a454fdb5a004d519e9a11
+GitCommit: b18fb328f999b28a7bb6d86e06b0756c1befa21a
 Directory: stable/alpine
 
-Tags: 1.20.2-alpine-perl, stable-alpine-perl, 1.20-alpine-perl
+Tags: 1.22.0-alpine-perl, stable-alpine-perl, 1.22-alpine-perl
 Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
-GitCommit: d039609e3a537df4e15a454fdb5a004d519e9a11
+GitCommit: b18fb328f999b28a7bb6d86e06b0756c1befa21a
 Directory: stable/alpine-perl