feat: Better error when panic happens in UnifiedDiff

[erezrokah]

Summary

We have a test in our ClickHouse destination that is flaky https://github.com/cloudquery/cloudquery/actions/runs/15976814323/job/45061355720#step:9:16

FAIL: TestPlugin/TestInsert/All (2.80s)
panic: json: error calling MarshalJSON for type *array.Struct: json: error calling MarshalJSON for type json.RawMessage: unexpected character '' [recovered]
	panic: json: error calling MarshalJSON for type *array.Struct: json: error calling MarshalJSON for type json.RawMessage: unexpected character ''

goroutine 74 [running]:
testing.tRunner.func1.2({0x10f42e0, 0xc00104ccf0})
	/opt/hostedtoolcache/go/1.24.3/x64/src/testing/testing.go:1734 +0x3eb
testing.tRunner.func1()
	/opt/hostedtoolcache/go/1.24.3/x64/src/testing/testing.go:1737 +0x696
panic({0x10f42e0?, 0xc00104ccf0?})
	/opt/hostedtoolcache/go/1.24.3/x64/src/runtime/panic.go:792 +0x132
github.com/apache/arrow-go/v18/arrow/array.(*List).GetOneForMarshal(0xc00140be00, 0x0)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/list.go:110 +0x33b
github.com/apache/arrow-go/v18/arrow/array.(*Struct).GetOneForMarshal(0xc000737b00, 0x0)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/struct.go:212 +0x2d6
github.com/apache/arrow-go/v18/arrow/array.(*Struct).MarshalJSON(0xc000737b00)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/struct.go:226 +0x189
github.com/goccy/go-json/internal/encoder.AppendMarshalJSON(0xc000179110, 0xc0009b9860, {0xc000ffdc00, 0x0, 0x400}, {0x119ea80, 0xc000737b00})
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/internal/encoder/encoder.go:435 +0x472
github.com/goccy/go-json/internal/encoder/vm.appendMarshalJSON(0xc000179110, 0xc0009b9860, {0xc000ffdc00, 0x0, 0x400}, {0x119ea80, 0xc000737b00})
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/internal/encoder/vm/util.go:152 +0x85
github.com/goccy/go-json/internal/encoder/vm.Run(0xc000179110, {0xc000ffdc00, 0x0, 0x400}, 0xc000df6cb0)
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/internal/encoder/vm/vm.go:271 +0x63c5
github.com/goccy/go-json.encodeRunCode(0xc000179110, {0xc000ffdc00, 0x0, 0x400}, 0xc000df6cb0)
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/encode.go:310 +0x235
github.com/goccy/go-json.encode(0xc000179110, {0x119ea80, 0xc000737b00})
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/encode.go:235 +0x47d
github.com/goccy/go-json.marshal({0x119ea80, 0xc000737b00}, {0x0, 0x0, 0x3?})
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/encode.go:150 +0x16a
github.com/goccy/go-json.MarshalWithOption(...)
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/json.go:185
github.com/goccy/go-json.Marshal({0x119ea80, 0xc000737b00})
	/home/runner/go/pkg/mod/github.com/goccy/[email protected]/json.go:170 +0x3b
github.com/apache/arrow-go/v18/internal/json.Marshal(...)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/internal/json/json.go:38
github.com/apache/arrow-go/v18/arrow/array.(*List).GetOneForMarshal(0xc00140b2c0, 0x0)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/list.go:108 +0x26c
github.com/apache/arrow-go/v18/arrow/array.(*List).MarshalJSON(0xc00140b2c0)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/list.go:124 +0x189
github.com/apache/arrow-go/v18/arrow/array.stringAt({0x140ee40, 0xc00104d830}, 0x2)
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/diff.go:110 +0xbdb
github.com/apache/arrow-go/v18/arrow/array.Edits.UnifiedDiff({0xc000516000, 0x5, 0x140ee40?}, {0x140ee40, 0xc00104d830}, {0x140ee40, 0xc00104d800})
	/home/runner/go/pkg/mod/github.com/apache/arrow-go/[email protected]/arrow/array/diff.go:72 +0x558
github.com/cloudquery/plugin-sdk/v4/plugin.TableDiff({0x1409f58, 0xc000298000}, {0x1409f58, 0xc000298030})
	/home/runner/go/pkg/mod/github.com/cloudquery/plugin-sdk/[email protected]/plugin/diff.go:42 +0x5da

It's hard to debug the test since:

1. It's flaky
2. We don't have enough information when it fails

This PR tries to error out with a bit more information on the data that was used while triggering the panic

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