Bump opensuse/leap

Bumps opensuse/leap from `4246d2e` to `c59cc44`.

---
updated-dependencies:
- dependency-name: opensuse/leap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

cje-production/dockerfiles/opensuse-gtk3-metacity/15-gtk3/Dockerfile

@@ -1,4 +1,4 @@
-FROM opensuse/leap:15@sha256:4246d2ef2de7c789b09e753ddeb82c2a1190f55b311faebab0481022f002bc62
+FROM opensuse/leap:15@sha256:c59cc44280c2648c359dab5f90e0dbcbeb780e05a0a95a69169554f27020412c
 
 ### user name recognition at runtime w/ an arbitrary uid - for OpenShift deployments
 COPY scripts/uid_entrypoint /usr/local/bin/uid_entrypoint