Bug 1646843 - Add comm-esr78 support to taskgraph. r=Callek

Follow-up to bug 1646588 to support comm-esr78 repository.

Differential Revision: https://phabricator.services.mozilla.com/D80271

taskcluster/taskgraph/decision.py

@@ -112,6 +112,11 @@ PER_PROJECT_PARAMETERS = {
         'release_type': 'release',
     },
 
+    'comm-esr78': {
+        'target_tasks_method': 'mozilla_esr78_tasks',
+        'release_type': 'release',
+    },
+
     'pine': {
         'target_tasks_method': 'pine_tasks',
     },

taskcluster/taskgraph/util/attributes.py

@@ -24,6 +24,7 @@ RELEASE_PROJECTS = {
     'comm-central',
     'comm-beta',
     'comm-esr68',
+    'comm-esr78',
     'oak',
 }
 

taskcluster/taskgraph/util/scriptworker.py

@@ -61,6 +61,7 @@ SIGNING_SCOPE_ALIAS_TO_PROJECT = [[
         'mozilla-esr78',
         'comm-beta',
         'comm-esr68',
+        'comm-esr78',
     ])
 ]]
 
@@ -99,6 +100,7 @@ BEETMOVER_SCOPE_ALIAS_TO_PROJECT = [[
         'mozilla-esr78',
         'comm-beta',
         'comm-esr68',
+        'comm-esr78',
     ])
 ]]
 
@@ -141,6 +143,7 @@ BALROG_SCOPE_ALIAS_TO_PROJECT = [[
     'release', set([
         'mozilla-release',
         'comm-esr68',
+        'comm-esr78',
     ])
 ], [
     'esr68', set([