fix: Widen pkg:meta constraint to allow Flutter stable (#134)

Author: kevmoo

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 0.5.1-wip
 
+- Update constraint: `meta: ^1.17.0`
 - Remove the use of footnotes in README.md, since they are not supported by
   `package:markdown`.
 

pubspec.yaml

@@ -46,7 +46,7 @@ dependencies:
   glob: ^2.1.3
   google_cloud_firestore: ^0.5.0
   http: ^1.6.0
-  meta: ^1.18.1
+  meta: ^1.17.0
   protobuf: ^6.0.0
   shelf: ^1.4.2
   source_gen: ^4.2.0