fix: Increase gRPC redirector max message size to 100MB

[google-labs-jules]

Increased gRPC message size limits to 100MB in tavern/internal/redirectors/grpc/grpc.go to allow transferring files larger than the default 4MB limit. Verified with a reproduction test case.

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PR created automatically by Jules for task 8116729124826664009 started by @KCarretto

[google-labs-jules]

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[github-actions]

Summary

Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
1237    ±0	1236    ±0	1    ±0	0    ±0	0    ±0	0    ±0	1ms    ±0

Previous Results

Build 🏗️	Result 🧪	Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
#206	❌	1237	1236	1	0	0	0	26.7s

Insights

Average Tests per Run	Total Flaky Tests	Total Failed	Slowest Test (p95)
1237	0	1	52.5s

Fail Rate

Fail Rate	0.08%    ±0

Test 📝	Results 📊	Passed ✅	Failed ❌	Fail Rate (%) 📈
eldritch: assets::copy_impl::tests::test_embedded_copy	2	1	1	50.00    ↑50.00
eldritch: assets::copy_impl::tests::test_embedded_copy	2	1	1	50.00    ↑50.00

Failed Tests

Failed Tests

❌ eldritch: assets::copy_impl::tests::test_embedded_copy thread 'assets::copy_impl::tests::test_embedded_copy' (12749) panicked at lib/eldritch/src/assets/copy_impl.rs:227:9 Trace: thread 'assets::copy_impl::tests::test_embedded_copy' (12749) panicked at lib/eldritch/src/assets/copy_impl.rs:227:9: assertion failed: contents.contains("hello from an embedded shell script") note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Slowest Tests

Test 📝	Results 📊	Duration (avg) ⏱️	Duration (p95) ⏱️
eldritch: random::string_impl::tests::test_string_uniform	1	52.5s	52.5s
eldritch: random::string_impl::tests::test_string_length	1	8.8s	8.8s
eldritch-stdlib-tests: tests::test_all_tomes	1	5.2s	5.2s
eldritch: time::sleep_impl::tests::test_sleep	1	5.1s	5.1s
eldritch: pivot::arp_scan_impl::tests::test_lock_failure	1	3.1s	3.1s
eldritch: random::int_impl::tests::test_random_int_uniform_average	1	3.1s	3.1s
imixv2::bin/imixv2: tests::task_tests::test_task_streaming_error	1	3.0s	3.0s
imixv2::bin/imixv2: tests::task_tests::test_task_streaming_output	1	3.0s	3.0s
eldritch: random::int_impl::tests::test_random_int_uniform_chi_square	1	2.8s	2.8s
eldritch-libfile: std::timestomp_impl::tests::test_timestomp	1	2.1s	2.1s

_{🍂 No flaky tests in this run.}

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