Decrease number of iterations for sanitizers looped job to 400

Decrease number of iterations for sanitizers looped job to 400,
since 449 is the hard limit for one of jobs
("Sanitizers looped (gcc, g++, OFF, OFF, ON)").

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>

Author: ldorau

.github/workflows/weekly.yml

@@ -10,6 +10,7 @@ on:
 env:
   BUILD_DIR : "${{github.workspace}}/build"
   INSTL_DIR : "${{github.workspace}}/install-dir"
+  N_ITER_SAN : 400 # Number of iterations for sanitizers looped job
 
 permissions:
   contents: read
@@ -72,4 +73,4 @@ jobs:
       env:
         ASAN_OPTIONS: allocator_may_return_null=1
         TSAN_OPTIONS: allocator_may_return_null=1
-      run: for i in {1..600}; do echo ">>> ITERATION no. ${i}" ; ctest --output-on-failure || exit 1; date; done
+      run: for i in {1..${{env.N_ITER_SAN}}}; do echo ">>> ITERATION no. ${i}" ; ctest --output-on-failure || exit 1; date; done