Update tools/analyzer_plugin/pubspec.yaml

Co-authored-by: Greg Littlefield <greg.littlefield@workiva.com>

Author: sydneyjodon-wk

tools/analyzer_plugin/pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
   # Upon release, this should be pinned to the over_react version from ../../pubspec.yaml
   # so that it always resolves to the same version of over_react that the user has pulled in,
   # and thus has the same boilerplate parsing code that's running in the builder.
-  over_react: ^5.4.5
+  over_react: 5.4.5
   path: ^1.5.1
   source_span: ^1.7.0
   yaml: ^3.0.0