fix: update pre-scan commands to include skip-unresolved argument and clean up installation steps

Author: kishore7snehil

.github/workflows/sca_scan.yml

@@ -8,14 +8,9 @@ jobs:
   snyk-cli:
     uses: auth0/devsecops-tooling/.github/workflows/sca-scan.yml@main
     with:
-      additional-arguments: "--exclude=README.md,.jfrog"
+      additional-arguments: "--exclude=README.md,.jfrog --skip-unresolved"
       python-version: "3.10"
       pre-scan-commands: |
-        echo "Current directory: $(pwd)"
         python3 -m venv venv --upgrade-deps
-        source venv/bin/activate
-        pip3 install -r requirements.txt
-        echo "---"
-        echo "Installed packages:"
-        pip3 list
+        ./venv/bin/pip3 install -r <path_to_requirements>/requirements.txt
     secrets: inherit