Unexpected Shut Down

[span14]

We have launched a testing app based on the shovel and experienced unexpected shut-down twice. This is the error report from the latest one:

`
l=error v=582d msg=loading blocks ig=configuration_events_verifier_key src=base-sepolia req=23630809/1 error=getting headers: cache get: requesting headers: unable to do http request: Post "": net/http: request canceled (Client.Timeout exceeded while awaiting headers)
l=error v=582d msg=converge-retry ig=configuration_events_verifier_key src=base-sepolia
panic: close of closed channel

goroutine 2766302 [running]:
github.com/jackc/pgx/v5/pgconn.(*PgConn).CopyFrom(0xc0005a8480, {0xdd2a38, 0xc0003242d0}, {0xdcb3a0?, 0xc0000be270}, {0xc0006e64e0, 0xc5})
/home/runner/go/pkg/mod/github.com/jackc/pgx/v5@v5.5.5/pgconn/pgconn.go:1340 +0xa2b
github.com/jackc/pgx/v5.(*copyFrom).run(0xc000ad73e0, {0xdd2a38?, 0xc0003242d0?})
/home/runner/go/pkg/mod/github.com/jackc/pgx/v5@v5.5.5/copy_from.go:202 +0x625
github.com/jackc/pgx/v5.(*Conn).CopyFrom(0xc0008dcb40, {0xdd2a38, 0xc0003242d0}, {0xc0003a29d0, 0x1, 0x1}, {0xc000391600, 0xd, 0x10}, {0xdd13b0, ...})
/home/runner/go/pkg/mod/github.com/jackc/pgx/v5@v5.5.5/copy_from.go:275 +0x149
github.com/jackc/pgx/v5.(*dbTx).CopyFrom(0x10?, {0xdd2a38?, 0xc0003242d0?}, {0xc0003a29d0?, 0xc000b47370?, 0x410945?}, {0xc000391600?, 0xb09f20?, 0xdc8401?}, {0xdd13b0, ...})
/home/runner/go/pkg/mod/github.com/jackc/pgx/v5@v5.5.5/tx.go:256 +0x65
github.com/jackc/pgx/v5/pgxpool.(*Tx).CopyFrom(0xafebc0?, {0xdd2a38?, 0xc0003242d0?}, {0xc0003a29d0?, 0xc000b473e8?, 0x6a1f8f?}, {0xc000391600?, 0xa3354b?, 0x6a1fa0?}, {0xdd13b0, ...})
/home/runner/go/pkg/mod/github.com/jackc/pgx/v5@v5.5.5/pgxpool/tx.go:46 +0x4e
github.com/indexsupply/x/dig.Integration.Insert({{0xc000038228, 0x12}, {0x0, {0xc000013cd0, 0xf}, {0xc000013cc0, 0x5}, {0xc00026a000, 0x2, 0x2}}, ...}, ...)
/home/runner/work/code/code/dig/dig.go:826 +0x2fe
github.com/indexsupply/x/shovel.(*Task).loadinsert.func1()
/home/runner/work/code/code/shovel/task.go:484 +0x2d3
golang.org/x/sync/errgroup.(*Group).Go.func1()
/home/runner/go/pkg/mod/golang.org/x/sync@v0.1.0/errgroup/errgroup.go:75 +0x56
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 54
/home/runner/go/pkg/mod/golang.org/x/sync@v0.1.0/errgroup/errgroup.go:72 +0x96
`

The version I used is from v1.6.