build(deps): bump esphome/esphome in /docker/home/esphome

Bumps [esphome/esphome](https://github.com/esphome/esphome) from 2026.2.4 to 2026.3.1.
- [Release notes](https://github.com/esphome/esphome/releases)
- [Commits](https://github.com/esphome/esphome/compare/2026.2.4...2026.3.1)

---
updated-dependencies:
- dependency-name: esphome/esphome
  dependency-version: 2026.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

docker/home/esphome/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   esphome:
-    image: ghcr.io/esphome/esphome:2026.2.4
+    image: ghcr.io/esphome/esphome:2026.3.1
     ports:
       - "6052"
     networks: