chore(release): prepare for v7.5.16 (#358)

## [7.5.16] - 2026-05-17

### Chore

- *(deps)* Update dependency robotframework-browser to v19.15.1 (#357)

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---

**Note:** Please use **Squash Merge** when merging this PR.

Reviewed-on: https://gitea.unbound.se/unboundsoftware/robotframework/pulls/358
Co-authored-by: Unbound Releaser <releaser@unbound.se>
Co-committed-by: Unbound Releaser <releaser@unbound.se>

.version

@@ -1,3 +1,3 @@
 {
-  "version": "v7.5.15"
+  "version": "v7.5.16"
 }

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [7.5.16] - 2026-05-17
+
+### Chore
+
+- *(deps)* Update dependency robotframework-browser to v19.15.1 (#357)
+
 ## [7.5.15] - 2026-05-17
 
 ### Chore