[pgadmin-org/pgadmin4] fb6e59: Merge the doc builds into one action.

[Dave Page]

  Branch: refs/heads/master
  Home:   https://github.com/pgadmin-org/pgadmin4
  Commit: fb6e59bab8a3a48a723679f26827dfab8077ea31
      
https://github.com/pgadmin-org/pgadmin4/commit/fb6e59bab8a3a48a723679f26827dfab8077ea31
  Author: Dave Page <dp...@pgadmin.org>
  Date:   2023-03-30 (Thu, 30 Mar 2023)

  Changed paths:
    R .github/workflows/check-doc-build.yml
    A .github/workflows/check-doc-builds.yml
    R .github/workflows/check-epub-build.yml
    R .github/workflows/check-pdf-build.yml

  Log Message:
  -----------
  Merge the doc builds into one action.

This will reduce the CPU time by avoiding multiple install/update cycles.