Limit line length in commit message body to 72 characters

[ziegenberg]

Following a discussion in Moodle Dev chat and the recommendation from the Commit cheat sheet the commit message body should wrap at 72 and not at 132 characters.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 29.42%. Comparing base (9e3dfd2) to head (d2dc4f4).

Files with missing lines	Patch %	Lines
verify_commit_messages/verify_commit_messages.sh	50.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #325      +/-   ##
==========================================
- Coverage   31.75%   29.42%   -2.33%     
==========================================
  Files          71       71              
  Lines        3222     3222              
==========================================
- Hits         1023      948      -75     
- Misses       2199     2274      +75     

Flag	Coverage Δ
check_upgrade_savepoints	0.46% <0.00%> (ø)
checkstyle_manipulations	0.00% <0.00%> (ø)
compare_databases	2.38% <0.00%> (ø)
continuous_manage_queues_validation	0.71% <0.00%> (ø)
define_excluded	1.11% <0.00%> (ø)
detect_conflicts	1.48% <0.00%> (ø)
diff_extract_changes	0.00% <0.00%> (ø)
git_sync_two_branches	?
grunt_process	3.01% <0.00%> (ø)
illegal_whitespace	2.63% <0.00%> (ø)
list_valid_components	0.00% <0.00%> (ø)
mustache_lint	2.82% <0.00%> (ø)
mustache_lint_plugins	1.30% <0.00%> (ø)
php_lint	1.21% <0.00%> (ø)
prepare_npm_stuff	1.52% <0.00%> (ø)
remote_branch_checker	17.44% <50.00%> (+0.06%)	:arrow_up:
remote_branch_reporter	0.00% <0.00%> (ø)
setup	0.00% <0.00%> (ø)
thirdparty_check	1.45% <0.00%> (ø)
travis-branch-checker	0.00% <0.00%> (ø)
upgrade_external_backup	1.61% <0.00%> (ø)
verifications	0.00% <0.00%> (ø)
verify_commit_messages	?
versions_check_set	5.02% <0.00%> (ø)

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