gitlab-ci: Drop package pipeline upload jobs for release branch

The package pipeline for release versions should not upload packages
automatically to our archive of nightly development versions.

.gitlab-ci.yml

@@ -59,7 +59,7 @@ p:doc-package:
         - .cmake_doc_artifacts
         - .run_only_for_package
 
-u:source-package:
+.u:source-package:
     extends:
         - .rsync_upload_binary
         - .run_only_for_package
@@ -77,7 +77,7 @@ b:help:master:
         - .cmake_org_help
         - .run_only_for_continuous_master
 
-u:help:master:
+.u:help:master:
     extends:
         - .rsync_upload_help
         - .run_only_for_continuous_master
@@ -93,7 +93,7 @@ b:help:stage:
         - .cmake_org_help
         - .run_only_for_continuous_stage
 
-u:help:stage:
+.u:help:stage:
     extends:
         - .rsync_upload_help
         - .run_only_for_continuous_stage
@@ -529,7 +529,7 @@ b:linux-x86_64-package:
     needs:
         - p:doc-package
 
-u:linux-x86_64-package:
+.u:linux-x86_64-package:
     extends:
         - .rsync_upload_binary
         - .run_only_for_package
@@ -553,7 +553,7 @@ b:linux-aarch64-package:
     needs:
         - p:doc-package
 
-u:linux-aarch64-package:
+.u:linux-aarch64-package:
     extends:
         - .rsync_upload_binary
         - .run_only_for_package
@@ -694,7 +694,7 @@ b:macos-package:
     needs:
         - p:doc-package
 
-u:macos-package:
+.u:macos-package:
     extends:
         - .rsync_upload_binary
         - .run_only_for_package
@@ -717,7 +717,7 @@ b:macos10.10-package:
     needs:
         - p:doc-package
 
-u:macos10.10-package:
+.u:macos10.10-package:
     extends:
         - .rsync_upload_binary
         - .run_only_for_package