Update git submodules

* Update dictionaries from branch 'master'
  - Update Thai dictionary: corrections, UTF-8, and over ten thousand more words.
    
    Change-Id: Iea084036516e727af2f70729bd7484fb9cbdad90
    Reviewed-on: https://gerrit.libreoffice.org/71523
    Reviewed-by: Andras Timar <andras.timar@collabora.com>
    Tested-by: Andras Timar <andras.timar@collabora.com>
    
diff --git a/dictionaries b/dictionaries
index 5fe575d..661e186 160000
--- a/dictionaries
+++ b/dictionaries
@@ -1 +1 @@
Subproject commit 5fe575dbcfeb789e2ab2d9731b88ac0dacc4f453
Subproject commit 661e18650eb4f810b566fe4cbae64755a7ecf804