chore(deps): bump alpine from 3.22.1 to 3.22.2 in /backend (#147)

Bumps alpine from 3.22.1 to 3.22.2.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.22.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

backend/Dockerfile

@@ -1,5 +1,5 @@
 
-FROM alpine:3.22.1 AS nodejs
+FROM alpine:3.22.2 AS nodejs
 
 # Install nodejs
 RUN addgroup -g 1000 node \