* Adding timeout and additional logs on e2e http test
* Better revision check on e2e http update test
* ci: Adding workflow to run e2e for all runtimes
* fix: server error 500 for Go cloudevents template
* test: separated with tags common language runtime e2e tests from other e2e tests
* test: rewording e2e scripts and tags to better represent its purposes
Renames trigger to template, removing it as an unnecessary configuration.
This reiterates that a Function implementation can change function sig
implemented at any time, and it is not part of the configuration. This
sets the stage for renaming 'templates', and the finalization of the
use cases enabling extensible templates.