[bugfix] Correct Swagger path for poll voting (#2996)

Updates the Swagger spec to match the router.

Fixes #2994

docs/api/swagger.yaml

@@ -7522,7 +7522,7 @@ paths:
             summary: View poll with given ID.
             tags:
                 - polls
-    /api/v1/polls/{id}/vote:
+    /api/v1/polls/{id}/votes:
         post:
             operationId: pollVote
             parameters:

internal/api/client/polls/polls_vote.go

@@ -29,7 +29,7 @@ import (
 	"github.com/superseriousbusiness/gotosocial/internal/oauth"
 )
 
-// PollVotePOSTHandler swagger:operation POST /api/v1/polls/{id}/vote pollVote
+// PollVotePOSTHandler swagger:operation POST /api/v1/polls/{id}/votes pollVote
 //
 // Vote with choices in the given poll.
 //