Update versions.appInsights to v2.6.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.microsoft.azure:applicationinsights-spring-boot-starter	2.6.1 -> 2.6.4
com.microsoft.azure:applicationinsights-logging-logback	2.6.1 -> 2.6.4

---

Release Notes

Microsoft/ApplicationInsights-Java (com.microsoft.azure:applicationinsights-spring-boot-starter)

v2.6.4: Application Insights Java SDK 2.6.4

Compare Source

Updates applicationinsights-logging-log4j2 artifact to not pull in Log4j 2 dependency on its own. Users should already be bringing their own version of Log4j 2 (and should be upgrading that version or applying the mitigation steps from CVE-2021-44228). The update ensures that users have to bring their own version of Log4j 2 (#​2002).

Please see #​2008 for any other questions about Log4j 2.

v2.6.3: Application Insights Java SDK 2.6.3

Compare Source

Enhancements:

• Update xstream dependency #​1580
• Upgrade gradle from 5.5.1 to 6.8.3
• Switch to new build and release pipelines
• Use GitHub Action for smoke tests

v2.6.2

Compare Source

• Fixed NullPointer when testing with MockMvc
  (#​1281)

---

Configuration

📅 Schedule: Branch creation - "after 7am and before 11am every weekday" in timezone Europe/London, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.