chore(deps): update nginx:alpine docker digest to c083c37 (#484)

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

Author: renovate[bot]

Dockerfile

@@ -41,7 +41,7 @@ RUN SECRET_KEY=dummy \
     python3 manage.py collectstatic --noinput
 
 # runtime nginx image
-FROM nginx:alpine@sha256:ce611bb6e76a1da3576e3875f78acb1064a4624dbf45abcbf14fd152cfb7a943 AS runtime-nginx
+FROM nginx:alpine@sha256:c083c3799197cfff91fe5c3c558db3d2eea65ccbbfd419fa42a64d2c39a24027 AS runtime-nginx
 
 COPY --from=builder /app/src/static_built /var/www/html/static
 COPY ./nginx/nginx.conf /etc/nginx/conf.d/default.conf