[epiphany] Created tag 40.4

[Michael Catanzaro <mcatanzaro src gnome org>]

The unsigned tag '40.4' was created.

Tagger: Michael Catanzaro <mcatanzaro redhat com>
Date: 1639664668 -0600

    Epiphany 40.4

Changes since the last tag '40.3':

Balazs Ur (1):
      Update Hungarian translation

Cassidy James Blaede (1):
      ephy-shell: Omit portal helper from Pantheon environment

Goran Vidović (1):
      Update Croatian translation

Jan-Michael Brummer (1):
      Fix missing pad lock after using reader mode

Marek Černocký (1):
      Fixed Czech translation

Michael Catanzaro (23):
      passwords-view: fix the Clear All action
      web-view: fix crash in ephy_web_view_get_reader_mode_state
      Use username when retrieving passwords from password manager
      Fix some user content and user scripts leaks
      Display PDFs from non-HTTP/HTTPS protocols
      Fix web applications that use non-Latin characters in the name
      Add secure output encoding functions
      Add anti-XSS rules to HACKING file
      about-handler: properly encode page title/URL in about:overview
      about-handler: properly encode web app info in about:applications
      pdf-handler: fix a leak
      pdf-handler: properly encode filename before inserting to HTML
      view-source-handler: encode data passed to highlight.js
      reader-handler: fix style error
      reader-handler: encode data when constructing reader mode content
      web-view: convert error pages to use autofree/autoptr
      web-view: encode data in error pages
      ci: add script to run scan-build
      ci: don't check for memory leaks, use-after-free, double free
      Pin flatpak manifests to libportal 0.4
      about-handler: don't attribute-encode title entity
      web-app-utils: fix crash when app name contains spaces or hyphens
      Prepare 40.4