Update nginx Docker tag to v1.27.3 (nginx#2827)

* Update nginx Docker tag to v1.27.3

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| docker     | nginx   | 1.27.2 | 1.27.3 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

* Update version in README

---------

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Saylor Berman <[email protected]>

Author: 3 people

README.md

@@ -66,7 +66,7 @@ The following table lists the software versions NGINX Gateway Fabric supports.
 
 | NGINX Gateway Fabric | Gateway API | Kubernetes | NGINX OSS | NGINX Plus |
 |----------------------|-------------|------------|-----------|------------|
-| Edge                 | 1.2.0       | 1.25+      | 1.27.2    | R33        |
+| Edge                 | 1.2.0       | 1.25+      | 1.27.3    | R33        |
 | 1.5.0                | 1.2.0       | 1.25+      | 1.27.2    | R33        |
 | 1.4.0                | 1.1.0       | 1.25+      | 1.27.1    | R32        |
 | 1.3.0                | 1.1.0       | 1.25+      | 1.27.0    | R32        |

build/Dockerfile.nginx

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.12
-FROM nginx:1.27.2-alpine-otel
+FROM nginx:1.27.3-alpine-otel
 
 ARG NJS_DIR
 ARG NGINX_CONF_DIR