Fix Jenkinsfile: Update existing-versions argument and enhance B2 sync command

Signed-off-by: Stephen Simpson <ssimpson89@users.noreply.github.com>

Jenkinsfile

@@ -42,7 +42,7 @@ spec:
     parameters {
         string(
             name: 'VERSIONS',
-            defaultValue: '8.10 9.6 10.1',
+            defaultValue: '8.10 9.7 10.1',
             description: 'Rocky Linux versions to build (space-separated)'
         )
         string(
@@ -103,10 +103,9 @@ docker run --rm \
   -v "$(pwd)/tmp:/data/tmp" \
   rocky-man:${BUILD_NUMBER} \
       --versions ${VERSIONS} \
-      --verbose \
       --parallel-downloads ${PARALLEL_DOWNLOADS} \
       --parallel-conversions ${PARALLEL_CONVERSIONS} \
-      --existing-versions "${EXISTING_VERSIONS}"
+      --existing-versions ${EXISTING_VERSIONS}
                     '''
                 }
             }
@@ -128,7 +127,7 @@ docker run --rm \
   -e B2_APPLICATION_KEY \
   -e B2_APPLICATION_KEY_ID \
   backblazeit/b2:latest \
-  b2v4 sync /workspace/html/ "b2://${B2_BUCKET_NAME}/"
+  b2v4 sync --compare-versions size /workspace/html/ "b2://${B2_BUCKET_NAME}/"
                         '''
                     }
                 }