Update change log for 3.4.5 release (#2767)

Co-authored-by: github-actions[bot] <github-action[bot]@users.noreply.github.com>

Author: trask

.github/scripts/draft-change-log-entries.sh

@@ -11,6 +11,6 @@ echo
 git log --reverse \
         --author='^(?!dependabot\[bot\] )' \
         --perl-regexp \
-        --pretty=format:"- %s" \
+        --pretty=format:"* %s" \
         $prior_version..HEAD \
   | sed -E 's,\(#([0-9]+)\)$,\n  ([#\1](https://github.com/microsoft/ApplicationInsights-Java/pull/\1)),'

CHANGELOG.md

@@ -1,5 +1,19 @@
 # CHANGELOG
 
+## Version 3.4.5 GA
+
+### Enhancements:
+
+* Update to OpenTelemetry Java Instrumentation 1.20
+  ([#2712](https://github.com/microsoft/ApplicationInsights-Java/pull/2712))
+* Additional self-diagnostics
+  ([#2709](https://github.com/microsoft/ApplicationInsights-Java/pull/2709),
+   [#2719](https://github.com/microsoft/ApplicationInsights-Java/pull/2719),
+   [#2717](https://github.com/microsoft/ApplicationInsights-Java/pull/2717),
+   [#2716](https://github.com/microsoft/ApplicationInsights-Java/pull/2716),
+   [#2737](https://github.com/microsoft/ApplicationInsights-Java/pull/2737),
+   [#2756](https://github.com/microsoft/ApplicationInsights-Java/pull/2756))
+
 ## Version 3.4.4 GA
 
 ### Enhancements: