ci(spring): Skip OTel no-agent sample on old Boot 2

Spring Boot 2.1 and 2.2 cannot parse newer OpenTelemetry auto-configuration classes during startup. Keep the matrix coverage for supported samples and skip the no-agent OTel sample for those versions.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: adinauer

.github/workflows/spring-boot-2-matrix.yml

@@ -141,6 +141,7 @@ jobs:
             --build "true"
 
       - name: Test sentry-samples-spring-boot-opentelemetry-noagent
+        if: ${{ !startsWith(matrix.springboot-version, '2.1.') && !startsWith(matrix.springboot-version, '2.2.') }}
         run: |
           python3 test/system-test-runner.py test \
             --module "sentry-samples-spring-boot-opentelemetry-noagent" \