chore(deps): update python docker tag to v3.15.1 (#34)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| python | final | minor | `3.14.8-alpine` -> `3.15.1-alpine` |

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Reviewed-on: #34

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.14.8-alpine AS base
+FROM python:3.15.1-alpine AS base
 
 RUN apk add --no-cache ca-certificates