Update git submodules

* Update helpcontent2 from branch 'master'
  to 1f63165a8f02d96fbdb0b9b8bea287389edb1121
  - Change the strings in the help pages
    
    ...to follow changes in the UI strings.[1][2][3]
    
    [1] "Fix extended tip in mmselectpage.ui"
    <https://git.libreoffice.org/core/commit/1aeec70c2a635a69e90d2643f2e524bb342378ae>
    [2] "Fix extended tips"
    <https://git.libreoffice.org/core/commit/b5c40d4864b07861e889244834635c8cfc957d6e>
    [3] "Add the strings "dialog" after "Macro Selector" in extended tips"
    <https://git.libreoffice.org/core/commit/a8fda337a88ca4d47218efa9ee44e7bfd590d30c>
    
    Change-Id: I8b99344960d284e149b52534dfcd075e5c687816
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/165123
    Tested-by: Jenkins
    Reviewed-by: Taichi Haradaguchi <20001722@ymail.ne.jp>
    
diff --git a/helpcontent2 b/helpcontent2
index 58350a8..1f63165 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 58350a811a8001f72b13f6ca3def5f32ea904e72
Subproject commit 1f63165a8f02d96fbdb0b9b8bea287389edb1121