chore(deps): bump ubi9/ubi from `151fc1b` to `8942b73` (#6407)

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

Dockerfile.ubi

@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi9/ubi@sha256:151fc1b2c976f198779d740851436544fdf4e9449ccb4a47e2d0faad34f1733b AS minimal-ubi
+FROM registry.access.redhat.com/ubi9/ubi@sha256:8942b73866f8434571d6fc4c10cbebd48982995d2249c39302e4d71e7df3afd9 AS minimal-ubi
 
 # Add metadata
 LABEL maintainer="cncf-externalsecretsop-maintainers@lists.cncf.io" \