[url_launcher_web] Fix link in README (flutter#2932)

Co-authored-by: Markus Aksli <[email protected]>

Author: TahaTesser

packages/url_launcher/url_launcher_web/CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.1.2+1
+
+- Update docs
+
 # 0.1.2
 
 - Adds "tel" and "sms" support 

packages/url_launcher/url_launcher_web/README.md

@@ -34,4 +34,4 @@ dependencies:
 Once you have the `url_launcher_web` dependency in your pubspec, you should
 be able to use `package:url_launcher` as normal.
 
-[1]: ../url_launcher/url_launcher
+[1]: ../url_launcher

packages/url_launcher/url_launcher_web/pubspec.yaml

@@ -4,7 +4,7 @@ homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/u
 # 0.1.y+z is compatible with 1.0.0, if you land a breaking change bump
 # the version to 2.0.0.
 # See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
-version: 0.1.2
+version: 0.1.2+1
 
 flutter:
   plugin: