Bump test chart dependencies (#537)

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: marcofranssen <[email protected]>

charts/spire/charts/spiffe-oidc-discovery-provider/values.yaml

@@ -338,7 +338,7 @@ tests:
       registry: cgr.dev
       repository: chainguard/bash
       pullPolicy: IfNotPresent
-      tag: latest@sha256:482cc9df3551f74cb244d78058fb3237ce76c591491c1afa38dac6952ec26ff0
+      tag: latest@sha256:c75089c69732fbb9d45cc5913b98b155a7bc2698762f0d19ec4889d62b17d91f
 
   toolkit:
     ## @param tests.toolkit.image.registry The OCI registry to pull the image from
@@ -362,7 +362,7 @@ tests:
       registry: "docker.io"
       repository: smallstep/step-cli
       pullPolicy: IfNotPresent
-      tag: 0.28.3
+      tag: 0.28.5
 
   busybox:
     ## @param tests.busybox.image.registry The OCI registry to pull the image from