Release: update changelog for 11.5.3 (#102784)

Update changelog

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Kevin Minehart <5140827+kminehart@users.noreply.github.com>

CHANGELOG.md

@@ -1,14 +1,29 @@
-<!-- 11.4.3 START -->
+<!-- 11.5.3 START -->
 
-# 11.4.3 (2025-03-25)
+# 11.5.3 (2025-03-25)
 
 ### Features and enhancements
 
-- **Chore:** Bump Go to 1.23.7 [#101582](https://github.com/grafana/grafana/pull/101582), [@macabu](https://github.com/macabu)
+- **Chore:** Bump Go to 1.23.7 [#101581](https://github.com/grafana/grafana/pull/101581), [@macabu](https://github.com/macabu)
 - **Chore:** Bump Go to 1.23.7 (Enterprise)
 
 ### Bug fixes
 
+- **Alerting:** Fix token-based Slack image upload to work with channel names [#101078](https://github.com/grafana/grafana/pull/101078), [@JacobsonMT](https://github.com/JacobsonMT)
+- **Auth:** Fix AzureAD config UI's ClientAuthentication dropdown [#100869](https://github.com/grafana/grafana/pull/100869), [@mgyongyosi](https://github.com/mgyongyosi)
+- **Dashboard:** Fix the unintentional time range and variables updates on saving [#101671](https://github.com/grafana/grafana/pull/101671), [@harisrozajac](https://github.com/harisrozajac)
+- **Dashboards:** Fix missing `v/e/i` keybindings to return back to dashboard [#102365](https://github.com/grafana/grafana/pull/102365), [@mdvictor](https://github.com/mdvictor)
+- **InfluxDB:** Improve handling of template variables contained in regular expressions (InfluxQL) [#100977](https://github.com/grafana/grafana/pull/100977), [@aangelisc](https://github.com/aangelisc)
+- **Org redirection:** Fix linking between orgs [#102089](https://github.com/grafana/grafana/pull/102089), [@ashharrison90](https://github.com/ashharrison90)
+
+<!-- 11.5.3 END -->
+<!-- 11.4.3 START -->
+
+# 11.4.3 (2025-03-25)
+
+### Features and enhancements
+
+- **Chore:** Bump Go to 1.23.7 [#101582](https://github.com/grafana/grafana/pull/101582), [@macabu](https://github.com/macabu)
 - **Alerting:** Fix token-based Slack image upload to work with channel names [#101072](https://github.com/grafana/grafana/pull/101072), [@JacobsonMT](https://github.com/JacobsonMT)
 - **InfluxDB:** Improve handling of template variables contained in regular expressions (InfluxQL) [#100987](https://github.com/grafana/grafana/pull/100987), [@aangelisc](https://github.com/aangelisc)
 - **Service Accounts:** Do not show error pop-ups for Service Account and Renderer UI flows [#101790](https://github.com/grafana/grafana/pull/101790), [@IevaVasiljeva](https://github.com/IevaVasiljeva)