chore(nginx-rootless): update nginx:1.29.4-alpine docker digest to 4870c12

Author: renovate-bot

containers/nginx-rootless/Dockerfile

@@ -1,9 +1,9 @@
 # platforms: linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6,linux/ppc64le,linux/s390x
 # renovate: datasource=docker depName=nginx extractVersion=^(?<version>.*)-alpine$
 # app_version: 1.29.4
-# revision: 2
+# revision: 3
 # description: Nginx image modified to run without root privileges
-FROM  nginx:1.29.4-alpine@sha256:b0f7830b6bfaa1258f45d94c240ab668ced1b3651c8a222aefe6683447c7bf55
+FROM  nginx:1.29.4-alpine@sha256:4870c12cd2ca986de501a804b4f506ad3875a0b1874940ba0a2c7f763f1855b2
 
 # make it run on non-root
 RUN   mkdir -p /var/log/nginx /var/cache/nginx /run/nginx && \