Ignore SQLite3 database files generated by parallel testing

actionmailbox/.gitignore

@@ -1,5 +1,6 @@
 /test/dummy/db/*.sqlite3
 /test/dummy/db/*.sqlite3-journal
+/test/dummy/db/*.sqlite3-*
 /test/dummy/log/*.log
 /test/dummy/tmp/
 /tmp/

actiontext/.gitignore

@@ -1,5 +1,6 @@
 /test/dummy/db/*.sqlite3
 /test/dummy/db/*.sqlite3-journal
+/test/dummy/db/*.sqlite3-*
 /test/dummy/log/*.log
 /test/dummy/public/packs-test
 /test/dummy/tmp/

activestorage/.gitignore

@@ -1,6 +1,7 @@
 /src/
 /test/dummy/db/*.sqlite3
 /test/dummy/db/*.sqlite3-journal
+/test/dummy/db/*.sqlite3-*
 /test/dummy/log/*.log
 /test/dummy/tmp/
 /test/service/configurations.yml

railties/lib/rails/generators/rails/app/templates/gitignore.tt

@@ -11,6 +11,7 @@
 # Ignore the default SQLite database.
 /db/*.sqlite3
 /db/*.sqlite3-journal
+/db/*.sqlite3-*
 
 <% end -%>
 # Ignore all logfiles and tempfiles.

railties/lib/rails/generators/rails/plugin/templates/gitignore.tt

@@ -5,6 +5,7 @@ pkg/
 <% if sqlite3? -%>
 <%= dummy_path %>/db/*.sqlite3
 <%= dummy_path %>/db/*.sqlite3-journal
+<%= dummy_path %>/db/*.sqlite3-*
 <% end -%>
 <%= dummy_path %>/log/*.log
 <% unless options[:skip_javascript] -%>