Dependency: Bump indexer dependency to v3.4.0

[gmalouf]

Summary

Bump indexer dependency to v3.4.0 (essentially the same as RC1 save for a read side patch).

Test Plan

Existing Tests Pass.

[codecov[bot]]

Codecov Report

Attention: 202 lines in your changes are missing coverage. Please review.

Comparison is base (442791a) 67.66% compared to head (5ead957) 72.78%. Report is 67 commits behind head on master.

Files	Patch %	Lines
conduit/pipeline/pipeline.go	83.37%	51 Missing and 20 partials :warning:
pkg/cli/cli.go	69.64%	29 Missing and 5 partials :warning:
conduit/plugins/importers/algod/algod_importer.go	88.98%	21 Missing and 4 partials :warning:
...lugins/exporters/postgresql/postgresql_exporter.go	57.44%	19 Missing and 1 partial :warning:
conduit/data/config.go	76.47%	11 Missing and 5 partials :warning:
...duit/plugins/exporters/filewriter/file_exporter.go	52.94%	5 Missing and 3 partials :warning:
conduit/plugins/exporters/filewriter/util.go	87.93%	7 Missing :warning:
conduit/telemetry/telemetry.go	86.27%	5 Missing and 2 partials :warning:
conduit/plugins/importers/filereader/filereader.go	77.77%	4 Missing and 2 partials :warning:
conduit/plugins/importers/noop/noop_importer.go	80.76%	4 Missing and 1 partial :warning:
... and 1 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #161 +/- ## ========================================== + Coverage 67.66% 72.78% +5.12% ========================================== Files 32 38 +6 Lines 1976 2789 +813 ========================================== + Hits 1337 2030 +693 - Misses 570 649 +79 - Partials 69 110 +41 ```

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