Merge 4.4 into 4.5

[mongodb-php-bot]

Merge new changes from 4.4 into 4.5.

Commits

• Upload code scanning results to correct ref when releasing (Upload code scanning results to correct ref when releasing #3006): 4940d80

Resolving conflicts

To resolve any conflicts, check out the temporary branch and run the following command:

git merge 4.5

Ignoring changes

To ignore from the remote branch, first reset the temporary branch to 4.5 and manually merge using the `ours` merge strategy:

git reset --hard 4.5
git merge --strategy=ours 4.4

Then, push the temporary branch to upate the pull request.