Update dependency microsoft/ApplicationInsights-Java to v3.7.6 (#641)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # renovate: datasource=github-releases depName=microsoft/ApplicationInsights-Java
-ARG APP_INSIGHTS_AGENT_VERSION=3.5.4
+ARG APP_INSIGHTS_AGENT_VERSION=3.7.6
 ARG PLATFORM=""
 # Application image