💚 HTTP has \r\n line endings

So we need to strip \r, \n already gets taken care of
by the whole pipe. Also limit to first location header
just in case.

.github/workflows/test_install.yml

@@ -56,7 +56,7 @@ jobs:
     steps:
       - name: 👀 Determine latest release
         run: |
-          OCTOPRINT_VERSION=$(curl -i https://github.com/OctoPrint/OctoPrint/releases/latest | grep -i location: | awk -F/ '{print $NF}' | tr -d '\n')
+          OCTOPRINT_VERSION=$(curl -i https://github.com/OctoPrint/OctoPrint/releases/latest | grep -i location: | head -n1 | awk -F/ '{print $NF}' | tr -d '\r')
           echo "OCTOPRINT_VERSION=$OCTOPRINT_VERSION" >> $GITHUB_ENV
       - name: 🐍 Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v4