fix: Guzzle version 6 error in Http Client Discovery

[mvanduijker]

fixes #1408

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 73.67%. Comparing base (01d0fd3) to head (a38cb99). Report is 2 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) ```diff @@ Coverage Diff @@ ## main #1409 +/- ## ============================================ - Coverage 73.72% 73.67% -0.06% - Complexity 2682 2683 +1 ============================================ Files 387 387 Lines 7670 7672 +2 ============================================ - Hits 5655 5652 -3 - Misses 2015 2020 +5 ``` | [Flag](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) | Coverage Δ | | |---|---|---| | [8.1](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) | `73.43% <100.00%> (+0.03%)` | :arrow_up: | | [8.2](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) | `73.61% <100.00%> (-0.06%)` | :arrow_down: | | [8.3](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) | `73.63% <100.00%> (+0.03%)` | :arrow_up: | | [8.4](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) | `73.61% <100.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files with missing lines](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) | Coverage Δ | | |---|---|---| | [...rc/SDK/Common/Http/Psr/Client/Discovery/Guzzle.php](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409?src=pr&el=tree&filepath=src%2FSDK%2FCommon%2FHttp%2FPsr%2FClient%2FDiscovery%2FGuzzle.php&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry#diff-c3JjL1NESy9Db21tb24vSHR0cC9Qc3IvQ2xpZW50L0Rpc2NvdmVyeS9HdXp6bGUucGhw) | `100.00% <100.00%> (ø)` | | ... and [6 files with indirect coverage changes](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409?dropdown=coverage&src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409?dropdown=coverage&src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry). Last update [01d0fd3...a38cb99](https://app.codecov.io/gh/open-telemetry/opentelemetry-php/pull/1409?dropdown=coverage&src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-telemetry).