Manually update landing pages (#17312)

* add new discussions video

* add changelog posts for actions and packages

* remove unused getting started from yaml

* update popular actions articles

* update popular packages pages

* Fix changelog post date

content/actions/index.md

@@ -10,30 +10,27 @@ featuredLinks:
     - /actions/learn-github-actions
     - /actions/guides/about-continuous-integration
     - /actions/guides/about-packaging-with-github-actions
-  gettingStarted:
-    - /actions/managing-workflow-runs
-    - /actions/hosting-your-own-runners
   guideCards:
     - /actions/guides/setting-up-continuous-integration-using-workflow-templates
     - /actions/guides/publishing-nodejs-packages
     - /actions/guides/building-and-testing-powershell
   popular:
     - /actions/reference/workflow-syntax-for-github-actions
-    - /actions/reference/events-that-trigger-workflows
     - /actions/learn-github-actions
+    - /actions/reference/events-that-trigger-workflows
     - /actions/reference/context-and-expression-syntax-for-github-actions
-    - /actions/reference/workflow-commands-for-github-actions
     - /actions/reference/environment-variables
+    - /actions/reference/encrypted-secrets
 changelog:
+  - title: Environments, environment protection rules and environment secrets (beta)
+    date: '2020-12-15'
+    href: https://github.blog/changelog/2020-12-15-github-actions-environments-environment-protection-rules-and-environment-secrets-beta/
   - title: Workflow visualization
     date: '2020-12-08'
     href: https://github.blog/changelog/2020-12-08-github-actions-workflow-visualization/
   - title: Removing set-env and add-path commands on November 16
     date: '2020-11-09'
     href: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/
-  - title: Ubuntu-latest workflows will use Ubuntu-20.04
-    date: '2020-10-29'
-    href: https://github.blog/changelog/2020-10-29-github-actions-ubuntu-latest-workflows-will-use-ubuntu-20-04
 
 product_video: https://www.youtube-nocookie.com/embed/cP0I9w2coGU
 

content/discussions/index.md

@@ -22,7 +22,7 @@ featuredLinks:
     - /discussions/guides/finding-discussions-across-multiple-repositories
     - /discussions/collaborating-with-your-community-using-discussions/collaborating-with-maintainers-using-discussions
     - /discussions/managing-discussions-for-your-community/managing-categories-for-discussions-in-your-repository
-product_video: https://www.youtube-nocookie.com/embed/DbTWBP3_RbM
+product_video: https://www.youtube-nocookie.com/embed/IpBw2SJkFyk
 layout: product-landing
 versions:
   free-pro-team: '*'

content/packages/index.md

@@ -12,22 +12,23 @@ featuredLinks:
     - /packages/manage-packages/installing-a-package
   popular:
     - /packages/guides/configuring-npm-for-use-with-github-packages
-    - /packages/learn-github-packages/about-github-packages
+    - /packages/guides/configuring-docker-for-use-with-github-packages
+    - /packages/learn-github-packages
     - /packages/guides/configuring-apache-maven-for-use-with-github-packages
   guideCards:
     - /packages/guides/configuring-npm-for-use-with-github-packages
     - /packages/guides/enabling-improved-container-support
     - /packages/guides/configuring-rubygems-for-use-with-github-packages
 changelog:
+  - title: ghcr.io maintenance mode on 2021-01-09
+    date: '2021-01-08'
+    href: https://github.blog/changelog/2021-01-08-packages-ghcr-io-maintenance-mode-on-2021-01-09/
   - title: ghcr.io container names redirect to the container page
     date: '2020-12-14'
     href: https://github.blog/changelog/2020-12-14-ghcr-io-container-names-redirect-to-the-container-page/
   - title: Filter for tagged and untagged containers
     date: '2020-12-14'
     href: https://github.blog/changelog/2020-12-14-packages-can-filter-for-tagged-and-untagged-containers/
-  - title: Packages container support is an opt-in beta
-    date: '2020-11-17'
-    href: https://docs.github.com/packages/getting-started-with-github-container-registry/enabling-improved-container-support
 redirect_from:
   - /github/managing-packages-with-github-packages
   - /categories/managing-packages-with-github-package-registry