chg: bump OpenSUSE Leap from 15.5 to 15.6

.github/workflows/tests.yml

@@ -22,7 +22,7 @@ jobs:
         name: Long
         strategy:
             matrix:
-                platform: [rockylinux9, debian12, 'opensuse15@opensuse/leap:15.5', ubuntu2404]
+                platform: [rockylinux9, debian12, 'opensuse15@opensuse/leap:15.6', ubuntu2404]
         runs-on: ubuntu-latest
         if: contains(github.event.pull_request.labels.*.name, 'tests:long')
         steps:
@@ -38,7 +38,7 @@ jobs:
         name: Full
         strategy:
             matrix:
-                platform: [rockylinux8, rockylinux9, debian10, debian11, debian12, 'opensuse15@opensuse/leap:15.5', ubuntu1804, ubuntu2004, ubuntu2204, ubuntu2404]
+                platform: [rockylinux8, rockylinux9, debian10, debian11, debian12, 'opensuse15@opensuse/leap:15.6', ubuntu1804, ubuntu2004, ubuntu2204, ubuntu2404]
         runs-on: ubuntu-latest
         if: contains(github.event.pull_request.labels.*.name, 'tests:full')
         steps:

doc/sphinx/installation/basic.rst

@@ -35,7 +35,7 @@ you are *warmly* advised to run it on the latest up-to-date stable version of yo
 - Debian 12 (Bookworm), 11 (Bullseye), 10 (Buster)
 - RockyLinux 8.x, 9.x
 - Ubuntu LTS 24.04, 22.04, 20.04, 18.04
-- OpenSUSE Leap 15.5\*
+- OpenSUSE Leap 15.6\*
 
 \*: Note that these versions have no out-of-the-box MFA support, as they lack packaged versions of ``pamtester``,
 ``pam-google-authenticator``, or both. Of course, you may compile those yourself.

docker/Dockerfile.opensuse15

@@ -31,4 +31,4 @@ RUN ["/opt/bastion/bin/admin/install","--new-install"]
 ENTRYPOINT /opt/bastion/docker/entrypoint.sh
 
 # TESTOPT --has-mfa=0 --has-pamtester=0 --has-piv=0 --has-sk=1
-# TESTFROM opensuse/leap:15.4 opensuse/leap:15.5
+# TESTFROM opensuse/leap:15.4 opensuse/leap:15.5 opensuse/leap:15.6