Set version to 74.0.3.

MickeyMoz · mergify[bot] · commit d7631c44b58b · 2021-03-28T22:28:17.000Z
diff --git a/.buildconfig.yml b/.buildconfig.yml
@@ -1,6 +1,6 @@
 # Please keep this version in sync with version.txt
 # version.txt should be the new source of truth for version numbers
-componentsVersion: 74.0.2
+componentsVersion: 74.0.3
 # Please add a treeherder group in taskcluster/ci/config.yml if you add a new project here.
 projects:
   concept-awesomebar:
