fix: Remove superfluous netcat dependency from pr_info_untrusted action

This is only needed for Dub's testsuite.

.github/workflows/pr_info_untrusted.yml

@@ -20,7 +20,7 @@ jobs:
     - name: '[Linux] Install dependencies'
       if: runner.os == 'Linux'
       run: |
-        sudo apt-get update && sudo apt-get install -y libcurl4-openssl-dev netcat
+        sudo apt-get update && sudo apt-get install -y libcurl4-openssl-dev
 
     # Compiler to test with
     - name: Prepare compiler