minor #7117 Updating example README to match note below it (darrylhein)

This PR was submitted for the 3.1 branch but it was merged into the 3.3 branch instead (closes #7117).

Discussion
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Updating example README to match note below it

The note below says the instructions installs the latest stable version, but it was actually installing "~1"

Commits
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c09b6e3 Updating example README to match note below it

Author: javiereguiluz

bundles/best_practices.rst

@@ -210,7 +210,7 @@ following standardized instructions in your ``README.md`` file.
         following command to download the latest stable version of this bundle:
 
         ```console
-        $ composer require <package-name> "~1"
+        $ composer require <package-name>
         ```
 
         This command requires you to have Composer installed globally, as explained
@@ -257,7 +257,7 @@ following standardized instructions in your ``README.md`` file.
 
         .. code-block:: terminal
 
-            $ composer require <package-name> "~1"
+            $ composer require <package-name>
 
         This command requires you to have Composer installed globally, as explained
         in the `installation chapter`_ of the Composer documentation.