Update pull_request_template.md

no spaces at line endings

Signed-off-by: Marvin <68286419+anonym-HPI@users.noreply.github.com>

.github/pull_request_template.md

@@ -4,7 +4,7 @@ Please make sure to fulfil the following conditions before marking this PR ready
 
 -   [ ] If this PR adds or changes features or fixes bugs, this has been added to the changelog
 -   [ ] If this PR adds new actions or other ways to alter the state, [test scenarios](https://github.com/hpi-sam/digital-fuesim-manv-public-test-scenarios) have been added.
--   [ ] I have the right to license the code submitted with this Pull Request under the mentioned license in the file [LICENSE-README.md](LICENSE-README.md) (i.e., this is my 
+-   [ ] I have the right to license the code submitted with this Pull Request under the mentioned license in the file [LICENSE-README.md](LICENSE-README.md) (i.e., this is my
         own code or code licensed under a license compatible to AGPL v3.0 or later, for exceptions look into [LICENSE-README.md](LICENSE-README.md)) and
         hereby license the code in this Pull Request under it.
         I certify that by signing off my commits (see In case of using third party code, I have given appropriate credit.