feat: add client column to aibridge_interceptions table (#21839)

Adds `client` column to `aibridge_interceptions` table. It is set accordingly to what is passed from AI Bridge in `RecordInterception`.
Adds interception filtering by `client` value.

Depends on: https://github.com/coder/aibridge/pull/158
Updates aibridge library to include this change.

Fixes: https://github.com/coder/aibridge/issues/31

coderd/database/querier_test.go

@@ -8070,12 +8070,15 @@ func TestUpdateAIBridgeInterceptionEnded(t *testing.T) {
 				ID:          uid,
 				InitiatorID: user.ID,
 				Metadata:    json.RawMessage("{}"),
+				Client:      sql.NullString{String: "client", Valid: true},
 			}
 
 			intc, err := db.InsertAIBridgeInterception(ctx, insertParams)
 			require.NoError(t, err)
 			require.Equal(t, uid, intc.ID)
 			require.False(t, intc.EndedAt.Valid)
+			require.True(t, intc.Client.Valid)
+			require.Equal(t, "client", intc.Client.String)
 			interceptions = append(interceptions, intc)
 		}