Set plugin verisons to use for a release

[noissue]

Author: goosemania

.travis/install.sh

@@ -75,11 +75,11 @@ plugins:
   - name: pulp-2to3-migration
     source: ./pulp-2to3-migration
   - name: pulp_file
-    source: pulp_file
+    source: pulp_file~=1.1.0
   - name: pulp_container
-    source: pulp_container
+    source: pulp_container~=1.4.0
   - name: pulp_rpm
-    source: pulp_rpm
+    source: pulp_rpm~=3.5.0
 services:
   - name: pulp
     image: "pulp:${TAG}"

template_config.yml

@@ -4,10 +4,13 @@
 additional_plugins:
 - branch: 1.1
   name: pulp_file
+  pip_version_specifier: ~=1.1.0
 - branch: 1.4
   name: pulp_container
+  pip_version_specifier: ~=1.4.0
 - branch: 3.5
   name: pulp_rpm
+  pip_version_specifier: ~=3.5.0
 black: false
 check_commit_message: true
 cherry_pick_automation: true