fix: bump grafana/mimir from 2.14.2 to 2.14.3 in /mimir (#133)

Bumps grafana/mimir from 2.14.2 to 2.14.3.

---
updated-dependencies:
- dependency-name: grafana/mimir
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

mimir/Dockerfile

@@ -3,9 +3,9 @@ ARG BUILD_FROM=ghcr.io/hassio-addons/debian-base/amd64:6.0.0
 
 # Mimir
 # hadolint ignore=DL3029
-FROM --platform=linux/amd64 grafana/mimir:2.14.2 as mimir-amd64
+FROM --platform=linux/amd64 grafana/mimir:2.14.3 as mimir-amd64
 # hadolint ignore=DL3029
-FROM --platform=linux/arm64 grafana/mimir:2.14.2 as mimir-arm64
+FROM --platform=linux/arm64 grafana/mimir:2.14.3 as mimir-arm64
 
 # Agent
 # hadolint ignore=DL3029