[Backport 5.0] Add Cody events to managed instance usage data pipeline allowlist (#50869)

## Test plan

n/a

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 <br> Backport 92d1f19 from #50865

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Co-authored-by: Nathan Downs <[email protected]>
Co-authored-by: Joe Chen <[email protected]>

Author: 3 people

migrations/BUILD.bazel

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+-- This migration was generated by the command `sg telemetry add`
+DELETE FROM event_logs_export_allowlist WHERE event_name IN (SELECT * FROM UNNEST('{CodyVSCodeExtension:recipe:rewrite-to-functional:executed,CodyVSCodeExtension:recipe:improve-variable-names:executed,CodyVSCodeExtension:recipe:replace:executed,CodyVSCodeExtension:recipe:generate-docstring:executed,CodyVSCodeExtension:recipe:generate-unit-test:executed,CodyVSCodeExtension:recipe:rewrite-functional:executed,CodyVSCodeExtension:recipe:code-refactor:executed,CodyVSCodeExtension:recipe:fixup:executed,CodyVSCodeExtension:recipe:explain-code-high-level:executed,CodyVSCodeExtension:recipe:explain-code-detailed:executed,CodyVSCodeExtension:recipe:find-code-smells:executed,CodyVSCodeExtension:recipe:git-history:executed,CodyVSCodeExtension:recipe:rate-code:executed,CodyVSCodeExtension:recipe:chat-question:executed,CodyVSCodeExtension:recipe:translate-to-language:executed}'::TEXT[]));

migrations/frontend/1681923094_sg_telemetry_allowlist/down.sql

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+name: sg_telemetry_allowlist
+parents: [1680707560]

migrations/frontend/1681923094_sg_telemetry_allowlist/metadata.yaml

@@ -0,0 +1,2 @@
+-- This migration was generated by the command `sg telemetry add`
+INSERT INTO event_logs_export_allowlist (event_name) VALUES (UNNEST('{CodyVSCodeExtension:recipe:rewrite-to-functional:executed,CodyVSCodeExtension:recipe:improve-variable-names:executed,CodyVSCodeExtension:recipe:replace:executed,CodyVSCodeExtension:recipe:generate-docstring:executed,CodyVSCodeExtension:recipe:generate-unit-test:executed,CodyVSCodeExtension:recipe:rewrite-functional:executed,CodyVSCodeExtension:recipe:code-refactor:executed,CodyVSCodeExtension:recipe:fixup:executed,CodyVSCodeExtension:recipe:explain-code-high-level:executed,CodyVSCodeExtension:recipe:explain-code-detailed:executed,CodyVSCodeExtension:recipe:find-code-smells:executed,CodyVSCodeExtension:recipe:git-history:executed,CodyVSCodeExtension:recipe:rate-code:executed,CodyVSCodeExtension:recipe:chat-question:executed,CodyVSCodeExtension:recipe:translate-to-language:executed}'::TEXT[])) ON CONFLICT DO NOTHING;