[tests] disable log-file.i due to non-deterministic errors in CI

tests/misc/log-file.i

@@ -8,6 +8,7 @@
    FILTER: sed 's|Your Frama-C version is.*|Your Frama-C version is VERSION|'
    STDOPT: #"-kernel-log w:@PTEST_RESULT@/log-file-kernel-warnings.txt,r:@PTEST_RESULT@/log-file-kernel-results.txt -eva-log f:@PTEST_RESULT@/log-file-feedback.txt,afewr:@PTEST_RESULT@/log-file-value-all.txt -eva-log :@PTEST_RESULT@/log-file-value-default.txt -then -kernel-log f:@PTEST_RESULT@/log-file-feedback.txt"
    OPT: -load-module tests/misc/plugin_log.ml -kernel-msg-key foo-category -kernel-log=a:@PTEST_RESULT@/plugin-log-all.txt
+   DONTRUN: test disabled due to non-deterministic errors in CI
  */
 int f(void); // generates kernel warning (missing spec)