fix: ntpdate-wrapper binary path

[realsdx]

The ntp package installs ntpdate at /usr/bin/ntpdate, but ntpdate-wrapper still hardcodes /usr/sbin/ntpdate.

Update the wrapper to use /usr/bin/ntpdate so it matches the packaged file layout.

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./LICENSES-AND-NOTICES/SPECS/data/licenses.json, ./LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md, ./LICENSES-AND-NOTICES/SPECS/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

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Summary

What does the PR accomplish, why was it needed?
The ntp RPM installs ntpdate at /usr/bin/ntpdate, but
ntpdate-wrapper still references /usr/sbin/ntpdate.

This causes /usr/libexec/ntpdate-wrapper to fail immediately on Azure Linux 3.0
before invoking ntpdate.

On Azl3 wrapper fails

$ sudo test -x /usr/sbin/ntpdate; echo $?
1
$ sudo test -x /usr/bin/ntpdate; echo $?
0
$ sudo bash -x /usr/libexec/ntpdate-wrapper
+ ntpconf=/etc/ntp.conf
+ ntpstep=/etc/ntp/step-tickers
+ '[' 0 '!=' 0 ']'
+ '[' -x /usr/sbin/ntpdate ']'
+ exit 5

Change Log

• fix ntpdate-wrapper to use /usr/bin/ntpdate

Work Item

• https://dev.azure.com/mariner-org/ACL/_workitems/edit/17804/

Does this affect the toolchain?

NO

Test Methodology

• Pipeline build id: BuddyBuild

[realsdx]

Note: Current spec check failure is related to #16172

[Sumynwa]

LGTM. Thanks.