CI: don't run twice on dependabot branches

Author: mr-c

.appveyor.yml

@@ -61,6 +61,7 @@ environment:
 branches:
   except:
     - /^ci/(?!appveyor)(/.+)?/
+    - /^dependabot/(/.+)?/
 
 platform:
   - x64

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ on:
     branches-ignore:
       - 'ci/**'
       - '!ci/gha**'
+      - 'dependabot/**'
   pull_request:
     branches:
       - 'master'

.packit.yml

@@ -26,6 +26,6 @@ jobs:
   - <<: *copr
     # Run on push to any branch.
     trigger: commit
-    # Run except the "master*" branches.
+    # Run except the "master*" and "dependabot*" branches.
     # https://github.com/packit/packit/issues/1986
-    branch: '(?!master)'
+    branch: '(?!master)(?!dependabot)'