Bump alpine from 3.18.5 to 3.19.0

Bumps alpine from 3.18.5 to 3.19.0.

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

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

Dockerfile

@@ -19,7 +19,7 @@ ENV GOARCH=$TARGETARCH
 RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/tmp/go/cache \
   go build -o /traQ -ldflags "-s -w -X main.version=$TRAQ_VERSION -X main.revision=$TRAQ_REVISION"
 
-FROM alpine:3.18.5
+FROM alpine:3.19.0
 WORKDIR /app
 
 RUN apk add --no-cache --update ca-certificates imagemagick && \