build: fix version tags to use correct values

[BenWhitehead]

Fixes broken builds from #369 visible in https://github.com/googleapis/java-firestore/pull/369/checks?check_run_id=1710823233

[codecov]

Codecov Report

Merging #501 (9356326) into master (23d5415) will decrease coverage by 0.33%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #501      +/-   ##
============================================
- Coverage     74.43%   74.09%   -0.34%     
- Complexity     1108     1117       +9     
============================================
  Files            66       66              
  Lines          5855     5883      +28     
  Branches        726      723       -3     
============================================
+ Hits           4358     4359       +1     
- Misses         1269     1296      +27     
  Partials        228      228              

Impacted Files	Coverage Δ	Complexity Δ
...va/com/google/cloud/firestore/CollectionGroup.java	12.30% <0.00%> (-6.62%)	1.00% <0.00%> (ø%)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 23d5415...9356326. Read the comment docs.

[gcf-merge-on-green]

Merge-on-green attempted to merge your PR for 6 hours, but it was not mergeable because either one of your required status checks failed, one of your required reviews was not approved, or there is a do not merge label. Learn more about your required status checks here: https://help.github.com/en/github/administering-a-repository/enabling-required-status-checks. You can remove and reapply the label to re-run the bot.