build(deps): bump @microsoft/applicationinsights-common from 3.4.1 to 3.4.3

[dependabot]

Bumps @microsoft/applicationinsights-common from 3.4.1 to 3.4.3.

Changelog

Sourced from @​microsoft/applicationinsights-common's changelog.

3.4.3 (July 2nd, 2026)

This is a maintenance release for the 3.4.x version line adding a new SDK statistics feature, a PostChannel reliability fix, and dependency security hardening. The @microsoft/1ds-post-js channel is numbered 4.4.3 and requires v3.4.3.

Significant Changes (since 3.4.2)

• Customer SDK Stats: Added a new SdkStats feature that periodically collects internal SDK usage/health statistics. It is enabled by default and can be disabled (or explicitly configured) via the featureOptIn configuration (e.g. featureOptIn: { SdkStats: { mode: FeatureOptInMode.disable } }); the collection interval defaults to 15 minutes (sdkStats.int).

• PostChannel Auto-Flush Stall Fix: Fixed a permanent stall in @microsoft/1ds-post-js where, under sustained intermittent send failures (e.g. a load balancer returning occasional 503s), auto flush could wedge behind the flush() wait-for-idle timer and permanently stop draining the in-memory queue — causing telemetry to be silently dropped as QueueFull until the process was restarted. Auto flush is now fire-and-forget and no longer parks the scheduler waiting for the manager to become completely idle.

• Dependency Security Hardening: Pinned tar to >=7.5.16 to remediate CVE-2026-53655 and resolved the remaining npm audit findings in build tooling via dependency overrides (js-yaml, yaml, markdown-it, linkify-it). These are build/tooling changes and do not affect the published runtime packages.

Changelog

• #2746 Fix PostChannel auto-flush permanent stall under sustained intermittent send failures
• #2745 fix(security): pin tar >=7.5.16 to remediate CVE-2026-53655
• #2707 Enable Customer SDK Stats
• Resolve remaining npm audit findings via dependency overrides (js-yaml, yaml, markdown-it, linkify-it)

Full Changelog: microsoft/ApplicationInsights-JS@3.4.2...3.4.3

3.4.2 (June 18th, 2026)

This is a maintenance release for the 3.4.x version line containing security hardening, bug fixes, build tooling improvements, and CI updates. The @microsoft/1ds-post-js channel is numbered 4.4.2 and requires v3.4.2.

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