fix: bump ubi8-minimal from 8.7-1107 to 8.8-860 (#54)

Bumps ubi8-minimal from 8.7-1107 to 8.8-860.

---
updated-dependencies:
- dependency-name: ubi8-minimal
  dependency-type: direct:production
...

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi8-minimal:8.7-1107
+FROM registry.access.redhat.com/ubi8-minimal:8.8-860
 
 LABEL org.opencontainers.image.authors="Adfinis AG <https://adfinis.com>"
 LABEL org.opencontainers.image.vendor="Adfinis"