mkosi: update mkosi ref to 60ed8c964f8d98aa4b325f381c4b3bc6de91a0b7

* 60ed8c964f ubuntu: Don't treat linux-tools-xxx as a kernel package
* 24e5e532ab obs: enable PR CI workflow
* 5edcd2c5ca action: skip install of unavailable packages
* 4c18bc115b sandbox: Make seccomp work on alternative arches
* a91c8730e2 tests: Mark install tests and run them separately
* 923f72ea63 Fix linter unit tests at package build time
* 3f4bee3392 tests: Avoid leading underscore in helper function
* b2f04776c4 docs: Document debugging of failed sandbox commands
* 461a1dd290 run: Show complete sandbox command, factor out its logging
* d74c0b03d9 Don't add El Torito boot catalog for BIOS/grub images by default
* b0f9525c2c tests: Move unit tests from GitHub workflow into pytest
* 2889b5599b run: Add `cwd` kwarg to run()/spawn()
* 3f7de100b8 sandbox: Fix pyright "possibly unbound variable" errors
* 4cb9f337e2 gitignore: Add generated man pages and zipapp builddir
* 49c1c78f3f pytest: Restrict discovery to tests/
* a9d7ab5e64 finalize_scripts: tighten the PATH-strip condition to actual self-exec
* 145f4c259b sandbox: Add --debug option
* df43e4007d Mount /etc/resolv.conf symlink into sandbox

mkosi/mkosi.conf

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
 [Config]
-MinimumVersion=commit:3e15f6734a3455a008c3617f89a6c5010d5bb9bf
+MinimumVersion=commit:60ed8c964f8d98aa4b325f381c4b3bc6de91a0b7
 Dependencies=
         minimal-base
         minimal-0