[gjs] Created tag 1.54.2

[Philip Chimento <pchimento src gnome org>]

The unsigned tag '1.54.2' was created.

Tagger: Philip Chimento <philip chimento gmail com>
Date: 1540218655 -0400

    Version 1.54.2
    
    - Closed bugs and merge requests:
      * context: Defer and therefore batch forced GC runs [performance] [!236,
        Daniel van Vugt]
      * context: use timeout with seconds to schedule a gc trigger [!239, Marco
        Trevisan]
      * fundamental: Check if gtype is valid before using it [!242, Georges Basile
        Stavracas Neto]
    
    - Backported a fix for a crash in the interactive interpreter when executing
      something like `throw "foo"` [Philip Chimento]
    
    - Backported various maintenance from 3.31 [Philip Chimento]

Changes since the last tag '1.54.1':

Daniel van Vugt (1):
      context: Defer and therefore batch forced GC runs

Georges Basile Stavracas Neto (1):
      fundamental: Check if gtype is valid before using it

Marco Trevisan (1):
      context: use timeout with seconds to schedule a gc trigger

Philip Chimento (7):
      build: Post-release version bump
      build: Remove apostrophe from conftest program
      tools: Update clang-format scripts
      build: Remove useless pkgconfig check
      tests: Don't time-limit the unit tests
      console: Refactor AutoReportException for non-object exceptions
      release: Prepare for 1.54.2