USWDS - HTMLProofer update broken links - #4902

For the Links > External check, the following failures were found:

* At ./_site/about/security/index.html:2507:

  External link https://designsystem.digital.gov/documentation/developers/#download-and-install failed: https://designsystem.digital.gov/documentation/developers/ exists, but the hash 'download-and-install' does not (status code 200)

* At ./_site/about/security/index.html:2507:

  External link https://designsystem.digital.gov/documentation/developers/#install-using-npm failed: https://designsystem.digital.gov/documentation/developers/ exists, but the hash 'install-using-npm' does not (status code 200)

* At ./_site/documentation/developers/index.html:2849:

  External link https://github.com/uswds/uswds/releases/download/v3.1.0/uswds-uswds-3.1.0.tgz failed (status code 404)

* At ./_site/getting-started/showcase/all/index.html:2612:

  External link http://gipsa.usda.gov/ failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2624:

  External link https://openforest.fs.usda.gov/christmas-trees/forests failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2647:

  External link https://epa-notice.usa.gov/ failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2648:

  External link https://fardatacollection.sam.gov failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2660:

  External link https://federalist-report-template.18f.gov/ failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2665:

  External link https://hud-digital-services.github.io/single-family-policy-handbook/ failed (status code 404)

* At ./_site/getting-started/showcase/all/index.html:2672:

  External link http://gsa.github.io/openIAE/ failed: Not Found (status code 404)

* At ./_site/getting-started/showcase/all/index.html:2682:

  External link https://jobkit.data.gov/ failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2689:

  External link https://meps.ahrq.gov/mepstrends/home/index.html failed (status code 401)

* At ./_site/getting-started/showcase/all/index.html:2710:

  External link https://omb-eregs-demo.app.cloud.gov/ failed (status code 404)

* At ./_site/getting-started/showcase/all/index.html:2727:

  External link https://match.state.gov/ failed with something very wrong.
It's possible libcurl couldn't connect to the server, or perhaps the request timed out.
Sometimes, making too many requests at once also breaks things. (status code 0)

* At ./_site/getting-started/showcase/all/index.html:2735:

  External link http://alexose.github.io/experiments/correspondence/ failed: Not Found (status code 404)

HTML-Proofer found 15 failures!