gnumeric112: Update to 1.12.53.

Primarily to fix build with python >= 3.10.

Gnumeric 1.12.53

Morten:
        * Fix xlsx import of T.INV.
        * Fix inter-process array paste problem.  [#634]
        * Fix problem with xlsx number format 14.
        * Fix problems with complex number rendering.  [#638]
        * Fix near-denormal parsing case.  [#656]
        * Fix mildly crazy ROUND edge cases.  [#661]
        * Fix dialog reuse problem.  [#657]
        * Fix sc import problem.  [#663]
        * Work a little hard at avoiding -0.  [#652]
        * Fix html import problem.  [#669]
        * Fix reading localc extension for engineering format.  [#659]
        * Fix strict-conformance ods problem with E-notation.  [#672]
        * Improve test suite

Gnumeric 1.12.52

Morten:
        * Attach the vertical alignment selector to the toolbar.
        * Improve the toolbar styling a bit.
        * Fix toolbar overflow menu's labeling.
        * Many improvements to vertical toolbars.
        * Install appdata file in new location [#612]
        * Allow styling of cell extension indicators.
        * Restore bolding of active sheet tab.
        * Fix import of mildly broken print settings in xlsx files from
          OnlyOffice.
        * Various --with-long-double fixes.
        * Fix BITAND.
        * Test improvements.
        * Fix xlsx write for sheet objects with text contents.  [#617]
        * Fix leak.
        * Fix old problem saving column widths.  [#619]
        * Set default number of sheets to 1.
        * Fix edge error case for SMALL and LARGE.  [#620]
        * Increase the default column width a bit.
        * Fix xlsx import/export of default column width.
        * Be less aggressive with automatic column widening.  [#621]

Gnumeric 1.12.51

Jean:
        * Fix error bars when data are in a multi-column array. [#594]
        * Always set the GO_DATA_HAS_VALUE flag when needed. [#595]
Morten:
        * Fix --with-long-double configuration.
        * Fix applix import/locale problem.
        * Make sure CEIL doesn't return -0.  [#603]
        * Add ILOG function.  [#591]
        * Fix MROUND.  [#604]
        * Take evasive action re g_memdup.
        * Fix inter-gnumeric array formula paste crash.  [#606]
        * Avoid re-querying file existance for recent files.  [Part of #602]
        * Fix rich-text rendering (based on work of Jean).  [#607]
        * Fix crash with conditional styling.  [#597]
        * Extend BITOR, BITAND, BITXOR to any numbers of arguments.
        * Fix ods export leak.  [#611]

Gnumeric 1.12.50

Morten:
        * Fix undo problem with sorting and cell comments.
        * Python loader cleanups.
        * Use Python's bool type instead of rolling our own.
        * Export file:// links to html.  [#569]
        * Export file:// links to xlsx.  [#569]
        * Improve handling of invalid formulae from xlsx.  [#574]
        * Introspection fixes.
        * Improve CELL("format",...)  [#576]
        * wk4 import improvements.  (For no good reason.)
        * Fix some -fsanitize=undefined problems.
        * Improve excel-specific xlsx import of validation.

Gnumeric 1.12.49

Andreas:
        * Do not try to turn all of LibreOffice's SplitModes into frozen
          panes [file of #557]
Jean:
        * Fix graph size issue when the graph is in its own sheet. [#516]
        * Fix one more graph size issue when the graph is in its own sheet. [#565]
JohnDenker:
        * Fix ssgrep problem when used as a filter.  [#552]
Morten:
        * Rework conditional styling's upper level.
        * Fix autofill array critical.  [#511]
        * Handle missing values in xlsx.  [#517]
        * Fix critical when using fd://1.
        * Don't trim spaces for csv files as per rfc 4180.  [#528]
        * Fix cvs separator guessing problem with quotes.  [#537]
        * Improve handling of expressions in csv files.
        * Plug ssconvert leak.  [#546]
        * Fix bogus time match for "3.a".  [#545]
        * Use 1us resolution for NOW.  [#549]
        * Fix ssconvert sheet selection for csv.  [#555]
        * Test suite improvements.
        * Fix ods import problem with irregular sheet sizes.
        * Fix ods import problem with crazy named expressions.  [#557]
        * Allow plain space as 1000s separator in FR locale.
        * Fix graph size problem affecting image output.  [#507]
        * Check for yelp in autogen.  [#558]
        * Fix ssconvert problem with conditional styles.
        * Move from style regions to style classes in css.
        * Implement #ifdef for built-in css.
        * Dead kitten in css.
        * Improve the drawing of filter combos.
        * Allow theming of grid color.
        * Fix dirty-tracking.  [#554]
        * Plug ods write leak.
        * Disable cs documentation translation due to itstool/libxml2 bug.


(jperkin)