unintented CI failure: mplatform/manifest-tool toomanyrequests

We are currently hitting dockerhub's quotas. Maybe a mirror or similar tools to cache contents should be considered.

Running with gitlab-runner 17.3.1 (66269445)
  on ci-runner-x86-03-main 1yUAFT6R, system ID: s_2018d3279691
  feature flags: FF_NETWORK_PER_BUILD:true
Preparing the "docker" executor 04:17
Using Docker executor with image mplatform/manifest-tool:alpine ...
Pulling docker image mplatform/manifest-tool:alpine ...
WARNING: Failed to pull image with policy "always": initializing source docker://mplatform/manifest-tool:alpine: reading manifest alpine in docker.io/mplatform/manifest-tool: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (manager.go:251:126s)
Attempt #2: Trying "if-not-present" pull policy
Pulling docker image mplatform/manifest-tool:alpine ...
WARNING: Failed to pull image with policy "if-not-present": initializing source docker://mplatform/manifest-tool:alpine: reading manifest alpine in docker.io/mplatform/manifest-tool: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (manager.go:251:126s)
ERROR: Job failed: failed to pull image "mplatform/manifest-tool:alpine" with specified policies [always if-not-present]: initializing source docker://mplatform/manifest-tool:alpine: reading manifest alpine in docker.io/mplatform/manifest-tool: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (manager.go:251:126s)

(From https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/jobs/704476)