Updating submodules to latest master

Paulchen-Panther · Paulchen-Panther · commit 30f04a326bb8 · 2020-07-22T17:38:38.000+02:00
as explained in PR # 873
diff --git a/dependencies/external/flatbuffers b/dependencies/external/flatbuffers
@@ -1 +1 @@
-Subproject commit 8c02d17bea5def5b7006a7290a9f111433d0ab19
+Subproject commit c8fa0afdfc907452edbf2f5f3110f2f673fc4a70
diff --git a/dependencies/external/rpi_ws281x b/dependencies/external/rpi_ws281x
@@ -1 +1 @@
-Subproject commit 68c6da2de32249d126264a363cc5ab788c87cc8b
+Subproject commit 31f668cc637cd96e132b611db82cbe9de9838366
