chore(deps): Bump node

Bumps the default group with 1 update in the /reminder directory: node.


Updates `node` from 20.2-buster-slim to 20.15-buster-slim

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
  dependency-group: default
...

Signed-off-by: dependabot[bot] <[email protected]>

reminder/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20.2-buster-slim as build
+FROM node:20.15-buster-slim as build
 
 WORKDIR /app
 
@@ -11,7 +11,7 @@ COPY src/. src/.
 
 RUN npm run build
 
-FROM node:20.2-buster-slim as deploy
+FROM node:20.15-buster-slim as deploy
 WORKDIR /app
 
 COPY --from=build /app/lib /app/lib