LU-11671 tests: re-enable sanity test_45 for aarch64

LU-11671 tests: re-enable sanity test_45 for aarch64

This is fixed by patch https://review.whamcloud.com/54763
 ("LU-17733 tests: sanity test_45 fix dirty count").

Test-Parameters: trivial
Test-Parameters: testlist=sanity clientarch=aarch64 \
		  clientdistro=el9.3 env=ONLY=45,ONLY_REPEAT=100

Change-Id: I4716a0bee2689ffb33db8a81f1f33be6562b929e
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55403
Tested-by: Maloo <maloo@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>