security: harden npm install against supply chain attacks (#513)

Co-authored-by: Linearb CI <linearb-ci@gmail.com>

Author: yeelali14

action.yml

@@ -117,10 +117,14 @@ runs:
       shell: bash
       run: mv gitstream code
 
+    - name: Clear npm cache
+      shell: bash
+      run: npm cache clean --force
+
     - name: Install Dependencies for plugins
       shell: bash
       continue-on-error: true
-      run: npm i --silent moment@2.30.1 lodash@4.18.1 axios@1.14.0 @octokit/rest@20.1.1
+      run: npm i --ignore-scripts moment@2.30.1 lodash@4.18.1 axios@1.14.0 @octokit/rest@20.1.1
 
     - name: Run RulesEngine
       shell: bash