Fix install script

Author: simolus3

.github/workflows/tests.yml

@@ -210,7 +210,7 @@ jobs:
       - name: Install Cargo Valgrind
         # TODO: Use released version. Currently we rely on the git version while we wait for this
         # to be released: https://github.com/jfrimmel/cargo-valgrind/commit/408c0b4fb56e84eddc2bb09c88a11ba3adc0c188
-        run: cargo install --git https://github.com/jfrimmel/cargo-valgrind
+        run: cargo install --git https://github.com/jfrimmel/cargo-valgrind cargo-valgrind
         #run: cargo install cargo-valgrind
 
       - name: Test Core