Deploy new swh.loader.metadata journal client

Plan:

• Tag new release 1.0.0
• swh-apps: Add declaration to build docker image
• Jenkins: Build docker image ^ [2]
• Added credentials to the private repository
• 33 swh-charts: Add chart for the loader-metadata (with tests)
• (optional) swh/devel/swh-docs!341 (merged): Update documention on deployment
• (optional) swh/devel/swh-docs!342 (merged): Mention labels in documentation
• Deploy to staging
  • Update staging.yaml to reference loader-metadata configuration
  • Install 'swh/loader-metadata=true' label on kubernetes nodes
  • failing
  • 10: loader-metadata repository needs to be updated (thx @vlorentz & @olasd)
  • Adapt entrypoint.sh
  • Rebuild image
  • Update values
  • Checks
    • fixed: missing mandatory configuration key
    • fixed: empty password (chart misconfiguration)
    • fixed: missing credentials to retrieve from authenticated api
    • fixed: misconfigured broker connection port (now that we use authenticated connection for staging as well)
    • fixed: misconfigured internal url instead of the public broker
  • Consumption ETA on grafana
  • Check auto-scaling is fine
• val: Check staging dataset is in the right shape (regarding the runs done started around ~1 week)
  • origin metadata [3] got ingested without any associated loader
• Deploy to production
  • Create user for loader-metadata journal clients to authenticate
  • Install 'swh/loader-metadata=true' label on kubernetes nodes
  • swh/infra/ci-cd/swh-charts!40 (merged): Activate loader-metadata in production
  • Status: https://grafana.softwareheritage.org/goto/6HYS1fBVk?orgId=1
  • Checks
    • 2 journal clients are running [4]
    • relevant data? [5] [6]

[1] #4766 (closed)

[2] https://jenkins.softwareheritage.org/job/swh-apps/job/build-docker-image/build?delay=0sec

[3] https://webapp.staging.swh.network/api/1/raw-extrinsic-metadata/swhid/swh:1:ori:fbc59d47d4cc806cfdae45afc0a77a9a3dd482a6/?authority=forge%20https://github.com

[4]

│ swh         loader-metadata-dcf5dd554-6wzqm      ●   1/1            0 Running       0      0       0     n/a       0     n/a 10.42.52.119    rancher-node-metal02   53s    │
│ swh         loader-metadata-dcf5dd554-vxjwh      ●   1/1            0 Running       0      0       0     n/a       0     n/a 10.42.239.190   rancher-node-metal01   37s    │

[5] #4794 (comment 134214)

[6]

18:08 <+ardumont> https://archive.softwareheritage.org/api/1/raw-extrinsic-metadata/swhid/swh:1:ori:002d4b4a6233e16d93016518cef3b92cc6c9880e/?authority=forge%20https://github.com
18:08 <+ardumont> this one too
18:08 <+ardumont> https://archive.softwareheritage.org/browse/origin/visits/?origin_url=https://github.com/snichele/scala-code-snippets
18:08 <+ardumont> no visit since 2019

part of swh/meta#4252