Update configs. IGNORE BROKEN CHANGESETS CLOSED TREE NO BUG a=release ba=release

browser/config/version.txt

-74.0a1
+75.0a1

browser/config/version_display.txt

-74.0a1
+75.0a1

config/milestone.txt

@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-74.0a1
+75.0a1

services/sync/modules/constants.js

@@ -7,7 +7,7 @@ var EXPORTED_SYMBOLS = [];
 for (let [key, val] of Object.entries({
   // Don't manually modify this line, as it is automatically replaced on merge day
   // by the gecko_migration.py script.
-  WEAVE_VERSION: "1.76.0",
+  WEAVE_VERSION: "1.77.0",
 
   // Sync Server API version that the client supports.
   SYNC_API_VERSION: "1.5",

xpcom/components/Module.h

@@ -21,7 +21,7 @@ namespace mozilla {
  * via a module loader.
  */
 struct Module {
-  static const unsigned int kVersion = 74;
+  static const unsigned int kVersion = 75;
 
   struct CIDEntry;