chore(deps): bump alpine from 3.18.3 to 3.18.4 in /.docker

Bumps alpine from 3.18.3 to 3.18.4.

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

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

.docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.18.3
+FROM alpine:3.18.4
 
 RUN addgroup -S ory; \
     adduser -S ory -G ory -D  -h /home/ory -s /bin/nologin; \

.docker/Dockerfile-alpine

@@ -1,4 +1,4 @@
-FROM alpine:3.18.3
+FROM alpine:3.18.4
 
 RUN addgroup -S ory; \
     adduser -S ory -G ory -D -H -s /bin/nologin

.docker/Dockerfile-sqlite

@@ -1,4 +1,4 @@
-FROM alpine:3.18.3
+FROM alpine:3.18.4
 
 # Because this image is built for SQLite, we create /home/ory and /home/ory/sqlite which is owned by the ory user
 # and declare /home/ory/sqlite a volume.