chore(deps): bump nginx from 1.21.1 to 1.21.3

Bumps nginx from 1.21.1 to 1.21.3.

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -36,7 +36,7 @@ RUN git clone https://github.com/nginx-proxy/forego/ \
    && rm -rf /go/forego
 
 # Build the final image
-FROM nginx:1.21.1
+FROM nginx:1.21.3
 LABEL maintainer="Nicolas Duchon <nicolas.duchon@gmail.com> (@buchdag)"
 
 # Install wget and install/updates certificates

Dockerfile.alpine

@@ -37,7 +37,7 @@ RUN git clone https://github.com/nginx-proxy/forego/ \
    && rm -rf /go/forego
 
 # Build the final image
-FROM nginx:1.21.1-alpine
+FROM nginx:1.21.3-alpine
 LABEL maintainer="Nicolas Duchon <nicolas.duchon@gmail.com> (@buchdag)"
 
 # Install wget and install/updates certificates