[GHA] Pin main branch workflow for indexer workflow

[ibalajiarun]

Description

I think the docker-indexer-grpc-test.yaml should be pinned to the main branch, like other workflows.

Test Plan

[github-actions]

✅ Forge suite land_blocking success on a352c5f524bacfe06e5b0061b3746a6474013222

performance benchmark : committed: 5559 txn/s, latency: 7085 ms, (p50: 5400 ms, p90: 11100 ms, p99: 27400 ms), latency samples: 2373801
Max round gap was 1 [limit 4] at version 637345. Max no progress secs was 3.606561 [limit 10] at version 1070812.
Test Ok

• Grafana dashboard
• Humio Logs
• Test runner output
• Test run is land-blocking

[github-actions]

✅ Forge suite framework_upgrade success on aptos-node-v1.3.0_3fc3d42b6cfe27460004f9a0326451bcda840a60 ==> a352c5f524bacfe06e5b0061b3746a6474013222

Compatibility test results for aptos-node-v1.3.0_3fc3d42b6cfe27460004f9a0326451bcda840a60 ==> a352c5f524bacfe06e5b0061b3746a6474013222 (PR)
Upgrade the nodes to version: a352c5f524bacfe06e5b0061b3746a6474013222
framework_upgrade::framework-upgrade::full-framework-upgrade : committed: 4150 txn/s, latency: 7285 ms, (p50: 7700 ms, p90: 11100 ms, p99: 13700 ms), latency samples: 166000
5. check swarm health
Compatibility test for aptos-node-v1.3.0_3fc3d42b6cfe27460004f9a0326451bcda840a60 ==> a352c5f524bacfe06e5b0061b3746a6474013222 passed
Test Ok

• Grafana dashboard
• Humio Logs
• Test runner output
• Test run is land-blocking

[github-actions]

✅ Forge suite compat success on testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b ==> a352c5f524bacfe06e5b0061b3746a6474013222

Compatibility test results for testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b ==> a352c5f524bacfe06e5b0061b3746a6474013222 (PR)
1. Check liveness of validators at old version: testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b
compatibility::simple-validator-upgrade::liveness-check : committed: 9014 txn/s, latency: 3683 ms, (p50: 3600 ms, p90: 5100 ms, p99: 6200 ms), latency samples: 306500
2. Upgrading first Validator to new version: a352c5f524bacfe06e5b0061b3746a6474013222
compatibility::simple-validator-upgrade::single-validator-upgrade : committed: 4587 txn/s, latency: 6854 ms, (p50: 7600 ms, p90: 8600 ms, p99: 9000 ms), latency samples: 174340
3. Upgrading rest of first batch to new version: a352c5f524bacfe06e5b0061b3746a6474013222
compatibility::simple-validator-upgrade::half-validator-upgrade : committed: 4874 txn/s, latency: 6455 ms, (p50: 6900 ms, p90: 8200 ms, p99: 8800 ms), latency samples: 185240
4. upgrading second batch to new version: a352c5f524bacfe06e5b0061b3746a6474013222
compatibility::simple-validator-upgrade::rest-validator-upgrade : committed: 6878 txn/s, latency: 4685 ms, (p50: 4400 ms, p90: 7200 ms, p99: 9200 ms), latency samples: 240760
5. check swarm health
Compatibility test for testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b ==> a352c5f524bacfe06e5b0061b3746a6474013222 passed
Test Ok

• Grafana dashboard
• Humio Logs
• Test runner output
• Test run is land-blocking