attempt trivy fix in workflow using github binary

it seems the trivy binary is causing a trivy failure :/

.gitea/workflows/build_push.yml

@@ -46,15 +46,10 @@ jobs:
 
       - name: Trivy Scan
         run: |
-          echo "Installing Trivy "
-          sudo apt-get update
-          sudo apt-get install -y wget apt-transport-https gnupg lsb-release
-          wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | sudo apt-key add -
-          echo deb https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main | sudo tee -a /etc/apt/sources.list.d/trivy.list
-          sudo apt-get update
-          sudo apt-get install -y trivy
+          echo "Installing Trivy (latest from GitHub)"
+          curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b /usr/local/bin
           trivy image --format table --exit-code 1 --ignore-unfixed --vuln-type os,library --severity HIGH,CRITICAL git.aridgwayweb.com/armistace/pr-reviewer:latest
-
+          
       - name: Deploy
         run: |
           echo "Installing Kubectl"