mkosi: update mkosi ref to 4b18ea8395e9cc2b1d247be93944f5539affe964

* 4b18ea8395 sandbox: Make sure eventfd is CLOEXEC
* 23ea86d0cf Revert "Bump minimum python version to 3.10"
* 81fd30ec77 Revert "sandbox: Use os.eventfd()"
* 717020c97b Revert "Use python3.12 as interpreter in CentOS Stream 9 zipapp"
* e1d0e45e3b Rework sandbox globbing and exist checks

.github/workflows/coverage.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
-      - uses: systemd/mkosi@d6ddc66acb05d3d761d3f600c6b029319db9ae95
+      - uses: systemd/mkosi@4b18ea8395e9cc2b1d247be93944f5539affe964
 
       # Freeing up disk space with rm -rf can take multiple minutes. Since we don't need the extra free space
       # immediately, we remove the files in the background. However, we first move them to a different location

.github/workflows/linter.yml

@@ -39,7 +39,7 @@ jobs:
           GITHUB_ACTIONS_CONFIG_FILE: actionlint.yml
           ENABLE_GITHUB_PULL_REQUEST_SUMMARY_COMMENT: false
 
-      - uses: systemd/mkosi@d6ddc66acb05d3d761d3f600c6b029319db9ae95
+      - uses: systemd/mkosi@4b18ea8395e9cc2b1d247be93944f5539affe964
 
       - name: Check that tabs are not used in Python code
         run: sh -c '! git grep -P "\\t" -- src/core/generate-bpf-delegate-configs.py src/boot/generate-hwids-section.py src/ukify/ukify.py test/integration-tests/integration-test-wrapper.py'

.github/workflows/mkosi.yml

@@ -167,7 +167,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
-      - uses: systemd/mkosi@d6ddc66acb05d3d761d3f600c6b029319db9ae95
+      - uses: systemd/mkosi@4b18ea8395e9cc2b1d247be93944f5539affe964
 
       # Freeing up disk space with rm -rf can take multiple minutes. Since we don't need the extra free space
       # immediately, we remove the files in the background. However, we first move them to a different location