Episode 2.4: Setting breakpoints is different in VSCode and PyCharm

https://github.com/carpentries-incubator/python-intermediate-development/blob/3035eaf7d63720b310eba097da9b7dffb7ee1309/episodes/24-diagnosing-issues-improving-robustness.md?plain=1#L304

To set a breakpoint in PyCharm you click to the right of the line number, but in VSCode it is to the left of the line number, so this sentence needs to be moved into the IDE-dependent section and modified accordingly.