Bump ansible-base from 2.10.7 to 2.10.8 in /.github/workflows

Bumps [ansible-base](https://github.com/ansible/ansible) from 2.10.7 to 2.10.8.
- [Release notes](https://github.com/ansible/ansible/releases)
- [Commits](ansible/ansible@v2.10.7...v2.10.8)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/constraints.txt

@@ -1,4 +1,4 @@
 pip==21.0.1
-ansible-base==2.10.7
+ansible-base==2.10.8
 yamllint==1.26.1
 ansible-lint==5.0.7