[chore][chef] Fix td-agent download URL on Debian 11

[crobert-1]

Description:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 34.35%. Comparing base (8049f0f) to head (823250c).

❌ Your project check has failed because the head coverage (34.35%) is below the target coverage (40.00%). You can increase the head coverage or adjust the target coverage.

❗ There is a different number of reports uploaded between BASE (8049f0f) and HEAD (823250c). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (8049f0f)	HEAD (823250c)
	35	31

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #6241       +/-   ##
===========================================
- Coverage   44.42%   34.35%   -10.07%     
===========================================
  Files         390      390               
  Lines       26986    26986               
===========================================
- Hits        11988     9271     -2717     
- Misses      14156    17089     +2933     
+ Partials      842      626      -216     

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[crobert-1]

This shows that the original link is working properly, failure output of this PR:

2025-05-20T22:31:33.7288095Z         ================================================================================
2025-05-20T22:31:33.7288744Z         Error executing action `run` on resource 'execute[apt-get -q update]'
2025-05-20T22:31:33.7289332Z         ================================================================================
2025-05-20T22:31:33.7289739Z         
2025-05-20T22:31:33.7290097Z         Mixlib::ShellOut::ShellCommandFailed
2025-05-20T22:31:33.7290510Z         ------------------------------------
2025-05-20T22:31:33.7290980Z         Expected process to exit with [0], but received '100'
2025-05-20T22:31:33.7291544Z         ---- Begin output of ["apt-get", "-q", "update"] ----
2025-05-20T22:31:33.7292361Z         STDOUT: Hit:1 http://deb.debian.org/debian bullseye InRelease
2025-05-20T22:31:33.7293241Z         Hit:2 http://deb.debian.org/debian-security bullseye-security InRelease
2025-05-20T22:31:33.7293914Z         Hit:3 http://deb.debian.org/debian bullseye-updates InRelease
2025-05-20T22:31:33.7294841Z         Ign:4 https://packages.treasuredata.com/4/debian/bullseye/pool/contrib/f/fluentd-apt-source bullseye InRelease
2025-05-20T22:31:33.7295837Z         Ign:5 https://splunk.jfrog.io/splunk/otel-collector-deb release InRelease
2025-05-20T22:31:33.7296610Z         Hit:6 https://splunk.jfrog.io/splunk/otel-collector-deb release Release
2025-05-20T22:31:33.7297623Z         Err:8 https://packages.treasuredata.com/4/debian/bullseye/pool/contrib/f/fluentd-apt-source bullseye Release
2025-05-20T22:31:33.7298492Z           404  Not Found [IP: 3.169.231.50 443]
2025-05-20T22:31:33.7298934Z         Reading package lists...
2025-05-20T22:31:33.7300064Z         STDERR: E: The repository 'https://packages.treasuredata.com/4/debian/bullseye/pool/contrib/f/fluentd-apt-source bullseye Release' does not have a Release file.