Update mkosi reference and drop use of deprecated RuntimeScratch=/--runtime-scratch= (#40016)

.github/workflows/coverage.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-      - uses: systemd/mkosi@10544812b35a668d4aac9834c78ee8166e99bc78
+      - uses: systemd/mkosi@5a476a92deca8ad54869e5d416217aa1bb137b25
 
       # 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

@@ -38,7 +38,7 @@ jobs:
           LINTER_RULES_PATH: .github/linters
           GITHUB_ACTIONS_CONFIG_FILE: actionlint.yml
 
-      - uses: systemd/mkosi@10544812b35a668d4aac9834c78ee8166e99bc78
+      - uses: systemd/mkosi@5a476a92deca8ad54869e5d416217aa1bb137b25
 
       - 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@11bd71901bbe5b1630ceea73d27597364c9af683
-      - uses: systemd/mkosi@10544812b35a668d4aac9834c78ee8166e99bc78
+      - uses: systemd/mkosi@5a476a92deca8ad54869e5d416217aa1bb137b25
 
       # 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

mkosi/mkosi.conf

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
 [Config]
-MinimumVersion=commit:10544812b35a668d4aac9834c78ee8166e99bc78
+MinimumVersion=commit:5a476a92deca8ad54869e5d416217aa1bb137b25
 Dependencies=
         exitrd
         initrd
@@ -147,7 +147,6 @@ Credentials=
         tty.virtual.tty1.agetty.autologin=root
         tty.virtual.tty1.login.noauth=yes
 RuntimeBuildSources=yes
-RuntimeScratch=no
 CPUs=2
 TPM=yes
 VSock=yes

test/integration-tests/integration-test-wrapper.py

@@ -584,7 +584,6 @@ def main() -> None:
         ),
         '--credential', f'systemd.unit-dropin.{args.unit}={shlex.quote(dropin)}',
         '--runtime-network=none',
-        '--runtime-scratch=no',
         *([f'--qemu-args=-rtc base={rtc}'] if rtc else []),
         *args.mkosi_args,
         '--firmware', firmware,