fix: pin Trivy binary version to v0.69.3 in all CI workflows

.github/workflows/docker-build.yml

@@ -537,6 +537,7 @@ jobs:
           format: 'table'
           severity: 'CRITICAL,HIGH'
           exit-code: '0'
+          version: 'v0.69.3'
         continue-on-error: true
 
       - name: Run Trivy vulnerability scanner (SARIF)
@@ -548,6 +549,7 @@ jobs:
           format: 'sarif'
           output: 'trivy-results.sarif'
           severity: 'CRITICAL,HIGH'
+          version: 'v0.69.3'
         continue-on-error: true
 
       - name: Check Trivy SARIF exists
@@ -695,6 +697,7 @@ jobs:
           format: 'table'
           severity: 'CRITICAL,HIGH'
           exit-code: '0'
+          version: 'v0.69.3'
 
       - name: Run Trivy scan on PR image (SARIF - blocking)
         id: trivy-scan
@@ -705,6 +708,7 @@ jobs:
           output: 'trivy-pr-results.sarif'
           severity: 'CRITICAL,HIGH'
           exit-code: '1'  # Intended to block, but continued on error for now
+          version: 'v0.69.3'
         continue-on-error: true
 
       - name: Check Trivy PR SARIF exists