docs: 3.8 release notes (#32001)
docs: 3.8 release notes (#32001)

* docs: 3.8 release notes

* Update index.md

* Update docs/docs/reference/release-notes/v3.8/index.md

Co-authored-by: Sam Bhagwat <9f835269bf6cec6fa30907b121a48919400031cd@gmail.com>

* Update index.md

* Update index.md

* Update index.md

* Update index.md

* Update index.md

* Update index.md

* Add Drupal

* copy edits

* Add shopify announcement

* add contributors

Co-authored-by: Lennart <074ba1c0efc36927866875b17be4fa06eb80e472@gmail.com>
Co-authored-by: Sam Bhagwat <9f835269bf6cec6fa30907b121a48919400031cd@gmail.com>
Co-authored-by: Ward Peeters <f7d6f8166205aa91930091f422c0634df8a7ceb4@coding-tech.com>
Co-authored-by: Kyle Mathews <7bd94dfba4631668b5e30ca2e1b9b5e24b0f4d74@gmail.com>
Co-authored-by: Jack Sellwood <07f11c11eaa86496c8f5a0874165c56ebffd8409@me.com>
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