feat: batch connection logs to avoid DB lock contention (#23727)

- Running 30k connections was generating a ton of lock contention in the
DB

coderd/workspaceapps/db.go

@@ -535,7 +535,7 @@ func (p *DBTokenProvider) connLogInitRequest(w http.ResponseWriter, r *http.Requ
 				Int32: statusCode,
 				Valid: true,
 			},
-			Ip:        database.ParseIP(ip),
+			IP:        database.ParseIP(ip),
 			UserAgent: sql.NullString{Valid: userAgent != "", String: userAgent},
 			UserID: uuid.NullUUID{
 				UUID:  userID,

coderd/workspaceapps/db_test.go

@@ -1281,7 +1281,7 @@ func assertConnLogContains(t *testing.T, rr *httptest.ResponseRecorder, r *http.
 		WorkspaceName:    workspace.Name,
 		AgentName:        agentName,
 		Type:             typ,
-		Ip:               database.ParseIP(r.RemoteAddr),
+		IP:               database.ParseIP(r.RemoteAddr),
 		UserAgent:        sql.NullString{Valid: r.UserAgent() != "", String: r.UserAgent()},
 		Code: sql.NullInt32{
 			Int32: int32(resp.StatusCode), // nolint:gosec