Publish deployments info as JSON

[maximlt]

This PR adds a new workflow that runs on merged PRs to main and publishes a JSON file of all the expected deployments to s3://assets.holoviz.org/examples/meta/deployments.json.

deployments.json

[
  {
    "name": "attractors",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://attractors-notebook.pyviz.demo.anaconda.com"
      },
      {
        "type": "dashboard",
        "url": "https://attractors.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "boids",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://boids-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "census",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://census-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "euler",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://euler.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "exoplanets",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://exoplanets.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "gapminders",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://gapminders.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "gerrymandering",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://gerrymandering-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "glaciers",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://glaciers.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "gull_tracking",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://gull-tracking-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "hipster_dynamics",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://hipster-dynamics-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "iex_trading",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://iex-trading-notebook.pyviz.demo.anaconda.com"
      },
      {
        "type": "dashboard",
        "url": "https://iex-trading.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "landsat",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://landsat-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "ml_annotators",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://ml-annotators-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "nyc_buildings",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://nyc-buildings-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "nyc_taxi",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://nyc-taxi.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "opensky",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://opensky-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "penguin_crossfilter",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://penguin-crossfilter.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "portfolio_optimizer",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://portfolio-optimizer.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "ship_traffic",
    "deployments": [
      {
        "type": "dashboard",
        "url": "https://ship-traffic.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "square_limit",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://square-limit-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "sri_model",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://sri-model-notebook.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "template",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://template-notebook.pyviz.demo.anaconda.com"
      },
      {
        "type": "dashboard",
        "url": "https://template.pyviz.demo.anaconda.com"
      }
    ]
  },
  {
    "name": "uk_researchers",
    "deployments": [
      {
        "type": "notebook",
        "url": "https://uk-researchers-notebook.pyviz.demo.anaconda.com"
      }
    ]
  }
]

[github-actions]

Your changes were successfully integrated in the dev site, make sure to review
the pages of the projects you touched before merging this PR: https://holoviz-dev.github.io/examples/.
You can also download an archive of the site from the workflow summary page which comes in handy
when your dev site built was overriden by another PR (we have a single dev site!).

[github-actions]

Your changes were successfully integrated in the dev site, make sure to review
the pages of the projects you touched before merging this PR: https://holoviz-dev.github.io/examples/.
You can also download an archive of the site from the workflow summary page which comes in handy
when your dev site built was overriden by another PR (we have a single dev site!).