🐛 Support reused connection for better performance.

[jortel]

Fixes: https://issues.redhat.com/browse/MTA-4007

[mansam]

LGTM

[aufi]

There was an interesting error on CI (Konveyor installation without this PR changes, most likely an infra problem, not blocking this PR merge)

time=2024-10-09T23:00:43Z level=info msg=[binding] |200|  GET /hub/tasks/3
time=2024-10-09T23:00:48Z level=info msg=[binding] |500|  GET /hub/tasks/3
time=2024-10-09T23:00:48Z level=info msg=[binding] |500|  GET /hub/tasks
    analysis_test.go:148: unable to get all the tasks, err: GET /hub/tasks failed: 500(Internal Server Error) body: {"error":"database is locked"}
=== RUN   TestApplicationAnalysis/Tackle_Testapp_public_with_package_filter
time=2024-10-09T23:00:49Z level=info msg=[binding] |500|  POST /hub/applications
    error.go:11: POST /hub/applications failed: 500(Internal Server Error) body: {"error":"database is locked"}
time=2024-10-09T23:00:49Z level=info msg=[binding] |400|  POST /hub/tasks
    error.go:11: POST /hub/tasks failed: 400(Bad Request) body: {"error":"Key: 'Task.Application.ID' Error:Field validation for 'ID' failed on the 'required' tag"}
time=2024-10-09T23:00:49Z level=info msg=[binding] |500|  PUT /hub/tasks/0
    error.go:11: PUT /hub/tasks/0 failed: 500(Internal Server Error) body: {"error":"database is locked"}
time=2024-10-09T23:00:49Z level=info msg=[binding] |500|  GET /hub/tasks/0
time=2024-10-09T23:00:49Z level=info msg=[binding] |500|  GET /hub/tasks
    analysis_test.go:148: unable to get all the tasks, err: GET /hub/tasks failed: 500(Internal Server Error) body: {"error":"database is locked"}
=== RUN   TestApplicationAnalysis/Customer_Tomcat_Legacy_-_shoud_never_fail
time=2024-10-09T23:00:49Z level=info msg=[binding] |500|  POST /hub/applications
    error.go:11: POST /hub/applications failed: 500(Internal Server Error) body: {"error":"database is locked"}
time=2024-10-09T23:00:49Z level=info msg=[binding] |400|  POST /hub/tasks
    error.go:11: POST /hub/tasks failed: 400(Bad Request) body: {"error":"Key: 'Task.Application.ID' Error:Field validation for 'ID' failed on the 'required' tag"}
time=2024-10-09T23:00:49Z level=info msg=[binding] |404|  PUT /hub/tasks/0
    error.go:11: PUT /hub/tasks/0 failed: 404(Not Found) body: {"error":"record not found"}
time=2024-10-09T23:00:49Z level=info msg=[binding] |404|  GET /hub/tasks/0
time=2024-10-09T23:00:49Z level=info msg=[binding] |200|  GET /hub/tasks
    analysis_test.go:164: Analyze Task failed. Details:
[]api.Task{
...
      },
      api.TaskEvent{
        Kind:   "PodCreated",
        Count:  1,
        Reason: "konveyor-tackle/task-2-gpf6x",
        Last:   2024-10-09 23:00:12 UTC,
      },
      api.TaskEvent{
        Kind:   "PodPending",
        Count:  21,
        Reason: "0/1 nodes are available: 1 Insufficient cpu. preemption: 0/1 nodes are available: 1 No preemption victims found for incoming pod.",
        Last:   2024-10-09 23:00:47 UTC,
      },
    },
...

Full output: https://github.com/konveyor/analyzer-lsp/actions/runs/11264134803/attempts/1?pr=703

@jortel Would you mind look if it might be related to similar problem as this PR should solve? (not meaning the insufficient cpu, but possible backend failure on not enough resources)