Appinsights fix (#2583)

* updates to j 21

* sonarqube update for j21

* debugging local sftp

* Updating Terraform Formatting

* another test

* added app dev yaml

* removing aat thing

* added gitignore

* upping version

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Co-authored-by: 54687 <61242337+hmcts-jenkins-j-to-z[bot]@users.noreply.github.com>

Dockerfile

@@ -1,4 +1,4 @@
-ARG APP_INSIGHTS_AGENT_VERSION=3.4.8
+ARG APP_INSIGHTS_AGENT_VERSION=3.5.2
 
 # Application image
 FROM hmctspublic.azurecr.io/base/java:21-distroless