Bump nginx from db56449 to c84cfc4 in /build (#5106)

Bumps nginx from `db56449` to `c84cfc4`.

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build/Dockerfile

@@ -13,7 +13,7 @@ FROM ghcr.io/nginxinc/alpine-fips:0.1.2-alpine3.19@sha256:67595f52053f328fd731bf
 
 
 ############################################# Base image for Alpine #############################################
-FROM nginx:1.25.4-alpine@sha256:db56449ba92783faa6f526d4ef1f837f64ba727e5c2660ec3fe83a1df04550b9 AS alpine
+FROM nginx:1.25.4-alpine@sha256:c84cfc41ddfde5c3590458e34a2837958d757d28441c3678a37c953e7b940a05 AS alpine
 
 RUN --mount=type=bind,from=alpine-opentracing-lib,target=/tmp/ot/ \
 	apk add --no-cache libcap libstdc++ \
@@ -25,7 +25,7 @@ RUN --mount=type=bind,from=alpine-opentracing-lib,target=/tmp/ot/ \
 
 
 ############################################# Base image for Debian #############################################
-FROM nginx:1.25.4@sha256:6fe56b70f598dee94864a971e9ce7b022fd71651dd278c7ef60e584248aca972 AS debian
+FROM nginx:1.25.4@sha256:4505e44646d175a819f80e172f4cf17cbc1404bc2908413175da943e2b8e460b AS debian
 
 RUN --mount=type=bind,from=opentracing-lib,target=/tmp/ot/ \
 	apt-get update \