Step 0: Pull stable and master.
Step 1: In SourceTree Git Flow > Start New Release naming scheme: v[YY].[MM].[N] where N is the index of current release starting with 0 for each month.
Step 2: On the newly created branch edit the file conanfile.py and change the version number accordingly.
Step 3: Run ALL tests, including integration tests. If anything fails, don't release :o) (you can continue with step 4 while the build/tests are running)
Step 4: Commit and push the changes.
Step 5: If pipeline passes: Git Flow > Finish Release tag it with the version number and push to remote.
Done.
Step 6: Check that all issues in Ready to Merge are closed.