chore(deps): update grafana

| datasource | package                                         | from   | to     |
| ---------- | ----------------------------------------------- | ------ | ------ |
| docker     | cgr.dev/du-uds-defenseunicorns/k8s-sidecar-fips | 1.28.3 | 1.28.4 |
| docker     | ghcr.io/kiwigrid/k8s-sidecar                    | 1.28.3 | 1.28.4 |
| docker     | registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar | 1.28.1 | 1.28.3 |

src/grafana/values/registry1-values.yaml

@@ -21,4 +21,4 @@ sidecar:
   image:
     registry: registry1.dso.mil
     repository: ironbank/kiwigrid/k8s-sidecar
-    tag: 1.28.1
+    tag: 1.28.3

src/grafana/values/unicorn-values.yaml

@@ -21,4 +21,4 @@ sidecar:
   image:
     registry: cgr.dev
     repository: du-uds-defenseunicorns/k8s-sidecar-fips
-    tag: 1.28.3
+    tag: 1.28.4

src/grafana/values/upstream-values.yaml

@@ -6,7 +6,7 @@ sidecar:
     # -- The Docker registry
     registry: ghcr.io
     repository: kiwigrid/k8s-sidecar
-    tag: 1.28.3
+    tag: 1.28.4
 
 image:
   registry: docker.io

src/grafana/zarf.yaml

@@ -30,7 +30,7 @@ components:
       - docker.io/grafana/grafana:11.4.0
       - docker.io/curlimages/curl:8.11.1
       - docker.io/library/busybox:1.37.0
-      - ghcr.io/kiwigrid/k8s-sidecar:1.28.3
+      - ghcr.io/kiwigrid/k8s-sidecar:1.28.4
 
   - name: grafana
     required: true
@@ -45,7 +45,7 @@ components:
     images:
       - registry1.dso.mil/ironbank/opensource/grafana/grafana:11.4.0
       - registry1.dso.mil/ironbank/redhat/ubi/ubi9-minimal:9.5
-      - registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar:1.28.1
+      - registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar:1.28.3
 
   - name: grafana
     required: true
@@ -61,4 +61,4 @@ components:
       - cgr.dev/du-uds-defenseunicorns/grafana-fips:11.4.0
       - cgr.dev/du-uds-defenseunicorns/busybox-fips:1.37.0
       - cgr.dev/du-uds-defenseunicorns/curl-fips:8.11.1
-      - cgr.dev/du-uds-defenseunicorns/k8s-sidecar-fips:1.28.3
+      - cgr.dev/du-uds-defenseunicorns/k8s-sidecar-fips:1.28.4