chore: 7.4.0 release notes (#15531)

ecormany · web-flow · commit 1193c2921666 · 2024-06-26T15:15:58.000-05:00
# Overview

Indicate that 7.4.0 adds support for HEPA/UV.

# Test Plan

Check in-app after alpha 0 tag is cut.

# Changelog

app-shell and api notes.

# Risk assessment

nil
diff --git a/api/release-notes.md b/api/release-notes.md
@@ -6,6 +6,14 @@ log][]. For a list of currently known issues, please see the [Opentrons issue tr
 
 ---
 
+## Opentrons Robot Software Changes in 7.4.0
+
+Welcome to the v7.4.0 release of the Opentrons robot software!
+
+This release adds support for the [Opentrons Flex HEPA/UV Module](https://opentrons.com/products/opentrons-flex-hepa-uv-module).
+
+---
+
 ## Opentrons Robot Software Changes in 7.3.1
 
 Welcome to the v7.3.1 release of the Opentrons robot software!
diff --git a/app-shell/build/release-notes.md b/app-shell/build/release-notes.md
@@ -6,6 +6,14 @@ log][]. For a list of currently known issues, please see the [Opentrons issue tr
 
 ---
 
+## Opentrons App Changes in 7.4.0
+
+Welcome to the v7.4.0 release of the Opentrons App!
+
+This release adds support for the [Opentrons Flex HEPA/UV Module](https://opentrons.com/products/opentrons-flex-hepa-uv-module).
+
+---
+
 ## Opentrons App Changes in 7.3.1
 
 Welcome to the v7.3.1 release of the Opentrons App!
