Update ignored refs list

- Refine HEAD regex
- Exclude all 1.x versions (except 1.3.x for docbook builds)
- Exclude dependabot branches

build/buildrelease-repo.py

@@ -15,12 +15,13 @@
 build_script_name = 'buildrelease.py'
 
 # List of refs to ignore (regular expressions)
-#  - HEAD
-#  - 1.x branches
-#  - dependabot branches
+# - HEAD (generally the same as master)
+# - dependabot branches
+# - 1.x refs
 ignorelist = [
-              'HEAD',
-              '-1\.0\.[\w\d]+',
+              '^origin\/HEAD$',
+              '-1\.[\d]+\.[\w\d]+',
+              '^origin\/dependabot\/',
              ]
 
 # Script options

build/docbook-manual-repo.py

@@ -16,13 +16,13 @@
 
 # List of refs to ignore (regular expressions)
 # - HEAD (generally the same as master)
-# - 1.x refs
+# - dependabot branches
+# - 1.x refs except 1.3.x
 ignorelist = [
-    'HEAD',
-    '->',
-    '-1\.0\.[\w\d]+',
-    '-1\.1\.[\w\d]+'
-]
+              '^origin\/HEAD$',
+              '-1\.[012]+\.[\w\d]+',
+              '^origin\/dependabot\/',
+             ]
 
 # Script options
 options = "hr:cfda"