Bump macOS Xcode baseline to 11?

[Stephan Bergmann]

On 17/02/2020 14:43, Stephan Bergmann wrote:
> On 17/02/2020 11:59, Stephan Bergmann wrote:
>> Any opinions on bumping the macOS build baseline to Xcode 11.3 and 
>> macOS 10.4.4?
> 
> "10.14.4" of course (here and above)

Done now, 
<https://gerrit.libreoffice.org/plugins/gitiles/core/+diff/358146bbbd1b9775c12770fb5e497b6ec5adfc51%5E%21> 
"Bump macOS build baseline to Xcode 11.3 and macOS 10.14.4".

(<https://gerrit.libreoffice.org/c/core/+/89154/2#message-9125bba6846b44ba1a4f11efd05db720f4a6bc24>: 
"Seen at least all three non-offline (out of the currently seven total) 
builders of <https://ci.libreoffice.org/label/macosx_clang_dbgutil/> 
serving <https://ci.libreoffice.org/job/gerrit_mac/> to actually run 
Xcode >= 11.3:
* "<https://ci.libreoffice.org/job/gerrit_mac/54565/> on tb81: 'checking 
whether Xcode is new enough... yes (11.3.1)'
* "<https://ci.libreoffice.org/job/gerrit_mac/54567/> on tb82: 'checking 
whether Xcode is new enough... yes (11.3)'
* "<https://ci.libreoffice.org/job/gerrit_mac/54566/> on tb84: 'checking 
whether Xcode is new enough... yes (11.3)'")