Why does my crontab not run cron.daily scripts?

My crontab file is in /etc/
I have a folder: /etc/cron.daily with dbBackup_sh, logrotate and tmpreaper
I run these 3 scripts manually every day with no problem.

My crontab will not run the daily scripts.
What is wrong with my crontab file?

SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
23 * * * * root cd / && run-parts --report /etc/cron.hourly
1 4 * * * root  cd / && run-parts --report /etc/cron.daily
48 3 * * 7 root cd / && run-parts --report /etc/cron.weekly
25 3 8 * * root cd / && run-parts --report /etc/cron.monthly

Output of ls -la /etc/cron.daily/:

-rw-r--r-- 1 root root 102 Feb 22 2021 .placeholder 
-rw-r--r-- 1 root root 449 Mar 29 2022 dbBackup_sh 
-rwxr-xr-x 1 root root 377 Feb 28 2021 logrotate 
-rwxr-xr-x 1 root root 4006 Sep 6 2019 tmpreaper 

The scripts inside /etc/cron.daily/ has to be executable to run. (This has the additional benefit, that if you want to temporarily disable a cron job here, just unset the executable bit for that particular script.)

One of your files (dbBackup_sh) does not have the executable bit set. Fix this with:

sudo chmod +x /etc/cron.daily/dbBackup_sh

Also, as @steeldriver mentions, the names must only include alphanumeric characters, dash (-) and underscore (_) - which is also the case for you.

To me, it would seem all scripts will run after you fix permissions for dbBackup_sh.

A good way to test if a cron script has been running is to include a line that touches a file. You could add to each script: (The variable $0 expands to the script name.)

touch "/dev/shm/${0##*/}"

Then, look inside the folder /dev/shm tomorrow, and check if the files are there.