Fix http.route for non-InlineAction (open-telemetry#234)

basic IO calls auto instrumentation (open-telemetry#110)

* basic IO calls auto instrumentation

* php-http/discovery plugin disabling

* udpdate test matrix

* suppress warning

* fixing tests

* add unit dir

* running php-cs-fixer

* observer api for  internal functions were instroduced in 8.2

* update .gitsplit.yml

update readme for beta (open-telemetry#90)

finish off psr-18 auto-instrumentation (open-telemetry#88)

- add tests
- replace enum with class for php8.0 compatibility
- set up auto-registration via composer autoloader
- mention sdk autoloading in readme
- document some todos/questions

Fixing build failures (open-telemetry#85)

* fixing aws for 0.0.16
update to use ContextInterface and SpanContextValidator
* don't fail fast on build errors

Merge pull request open-telemetry#75 from carolabadeer/aws-sdk-instru…

…mentation-support

Support for AWS SDK PHP Instrumentation

Merge pull request open-telemetry#72 from carolabadeer/aws-instrument…

…ation-setup

Instrumentation directory structure and AWS instrumentation class

Merge pull request open-telemetry#70 from tidal/versions

Update dependencies on main library for release

Merge pull request open-telemetry#70 from tidal/versions

Update dependencies on main library for release

Merge pull request open-telemetry#69 from tidal/composer-update

Fix package dependency in SDK Bundle