fix(ci): force SNAPSHOT updates in build job Maven command

The actions/cache restored a stale ~/.m2/repository with the old
cameleer-license-minter SNAPSHOT (pre-license-api extraction).
Adding -U forces re-resolution of SNAPSHOT dependencies.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
 
       - name: Build and Test (unit tests only)
         run: >-
-          mvn clean verify -B
+          mvn clean verify -U -B
           -Dsurefire.excludes="**/AuthControllerTest.java,**/TenantControllerTest.java,**/LicenseControllerTest.java,**/AuditRepositoryTest.java,**/CameleerSaasApplicationTest.java,**/EnvironmentControllerTest.java,**/AppControllerTest.java,**/DeploymentControllerTest.java,**/AgentStatusControllerTest.java,**/VendorTenantControllerTest.java,**/TenantPortalControllerTest.java"
 
       - name: Build sign-in UI