OBS-144: Use docker images from obs-common (#1127)

docker/images/fakesentry/Dockerfile

@@ -1,24 +1 @@
-# This should be kept in sync with the python version used in .devcontainer/Dockerfile and
-# docker/Dockerfile
-FROM python:3.11.10-slim-bullseye@sha256:d910a25afa706e0b2da4b59990fb59c0495eeab597b5cd777bbdcda8b6530b7e
-
-WORKDIR /app/
-
-RUN groupadd -r kent && useradd --no-log-init -r -g kent kent
-
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends curl tini && \
-    apt-get autoremove -y && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
-ENV PYTHONUNBUFFERED=1 \
-    PYTHONDONTWRITEBYTECODE=1
-
-RUN pip install -U 'pip>=20' && \
-    pip install --no-cache-dir 'kent==2.0.0'
-
-USER kent
-
-ENTRYPOINT ["tini", "--", "/usr/local/bin/kent-server"]
-CMD ["run"]
+FROM us-docker.pkg.dev/moz-fx-cavendish-prod/cavendish-prod/fakesentry:v2024.11.19-1@sha256:48b73aa08022eeada40fb878dc25ab225f2f91022961ffbce14ae23a7e6bdcd1

docker/images/gcs-emulator/Dockerfile

@@ -1,4 +1 @@
-FROM fsouza/fake-gcs-server:1.50.2@sha256:23996047676fe5312001b828d800670519181c57a5943c2270e7421f3ab3f477
-
-# add curl for use in healthcheck
-RUN apk add --no-cache curl
+FROM us-docker.pkg.dev/moz-fx-cavendish-prod/cavendish-prod/gcs-emulator:v2024.11.19-1@sha256:a02a86372ffe26c9f07cb55bf2d1551935389f0469d7e7dd0b69580879a00731