minor #27129 [Messenger] Rename Adapters to Transports (sroze)
minor #27129 [Messenger] Rename Adapters to Transports (sroze)

This PR was squashed before being merged into the 4.1-dev branch (closes #27129).

Discussion
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[Messenger] Rename Adapters to Transports

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | ø
| License       | MIT
| Doc PR        | ø

Last of our tasks on the "plan to beta", renaming "adapters" to "transports". This is a term that makes more sense and is commonly used within the "queue community".

Commits
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13b747565f [Messenger] Rename Adapters to Transports

symfony/DoctrineBridge,symfony/doctrine-bridge