[gnome-software] (38 commits) ...Merge branch 'refactor-threads17' into 'main'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  8cc22bb... gs-plugin: Add refresh_metadata_{async,finish}() vfuncs
  fa28b9e... gs-plugin-helpers: Add helpers for refresh_metadata
  6827804... packagekit: Make refresh asynchronous
  dedf3c3... rpm-ostree: Make refresh asynchronous
  a55c2ba... malcontent: Inline a helper function
  dfc835a... malcontent: Make refresh asynchronous
  034982d... eos-updater: Make refresh asynchronous
  8225cf6... dummy: Make refresh asynchronous
  ca6aa22... appstream: Make refresh asynchronous
  f0a090f... flatpak: Make refresh asynchronous
  ccf37e1... fwupd: Remove unhelpful helper function
  c0217e2... fwupd: Make refresh asynchronous
  60d0ace... fedora-pkgdb-collections: Rename a variable
  4e9ceb2... fedora-pkgdb-collections: Make refresh asynchronous
  efb101e... gs-plugin-job: Add helper function for REFRESH jobs
  2bdb286... gs-plugin-job-refresh-metadata: Add job class for refreshin
  46ce504... gs-plugin-event: Add job property
  fe03bfe... gs-shell: Rework how refresh events are detected
  0d4956f... packagekit: Stop using GS_PLUGIN_ACTION_REFRESH
  250d8fa... docs: Make refresh asynchronous
  d0f5da9... gs-external-appstream-utils: Update docs to drop gs_plugin_
  163e528... gs-odrs-provider: Update docs to drop gs_plugin_refresh()
  40b21f8... gs-plugin-types: Drop GS_PLUGIN_ACTION_REFRESH
  d8231ec... docs: Update examples for download API changes
  193f286... fwupd: Stop setting soup session
  0e40635... gs-plugin-loader: Remove global soup session
  6de822c... gs-plugin: Drop gs_plugin_set_soup_session()
  0555309... gs-updates-page: Remove unused variable
  ffce15d... gs-loading-page: Use GsPluginJobRefreshMetadata::progress s
  ebb5b58... fedora-pkgdb-collections: Add comments about mutex use and 
  e19257a... fedora-pkgdb-collections: Remove unnecessary mutex locking
  a8f3f4e... fedora-pkgdb-collections: Return the distros array from ens
  5a42cb8... fedora-pkgdb-collections: Ensure updates to distros array a
  c222b84... fedora-pkgdb-collections: Make locked sections shorter
  398b849... gs-cmd: Add --interactive argument
  a6c00c5... gs-plugin-job-list-installed-apps: Tweak error handling
  066df52... gs-plugin-job-list-installed-apps: Use g_task_set_source_ta
  cbf3edd... Merge branch 'refactor-threads17' into 'main'