Add release-2.3 branch to dependabot and remove release-2.0

Author: tvdijen

.github/dependabot.yml

@@ -8,7 +8,7 @@
 version: 2
 updates:
   - package-ecosystem: "github-actions"  # See documentation for possible values
-    target-branch: release-2.0
+    target-branch: release-2.1
     directory: "/"  # Location of package manifests
     schedule:
       interval: "weekly"
@@ -17,7 +17,7 @@ updates:
         patterns: ["*"]
 
   - package-ecosystem: "github-actions"  # See documentation for possible values
-    target-branch: release-2.1
+    target-branch: release-2.2
     directory: "/"  # Location of package manifests
     schedule:
       interval: "weekly"
@@ -26,7 +26,7 @@ updates:
         patterns: ["*"]
 
   - package-ecosystem: "github-actions"  # See documentation for possible values
-    target-branch: release-2.2
+    target-branch: release-2.3
     directory: "/"  # Location of package manifests
     schedule:
       interval: "weekly"
@@ -43,43 +43,28 @@ updates:
         patterns: ["*"]
 
   - package-ecosystem: "composer"  # See documentation for possible values
-    target-branch: release-2.0
+    target-branch: release-2.1
     directory: "/"  # Location of package manifests
     schedule:
       interval: "daily"
     ignore:
       - dependency-name: "*"
         update-types: ["version-update:semver-major"]
-    groups:
-      production-dependencies:
-        dependency-type: "production"
-      dev-dependencies:
-        dependency-type: "development"
 
   - package-ecosystem: "composer"  # See documentation for possible values
-    target-branch: release-2.1
+    target-branch: release-2.2
     directory: "/"  # Location of package manifests
     schedule:
       interval: "daily"
     ignore:
       - dependency-name: "*"
         update-types: ["version-update:semver-major"]
-    groups:
-      production-dependencies:
-        dependency-type: "production"
-      dev-dependencies:
-        dependency-type: "development"
 
   - package-ecosystem: "composer"  # See documentation for possible values
-    target-branch: release-2.2
+    target-branch: release-2.3
     directory: "/"  # Location of package manifests
     schedule:
       interval: "daily"
     ignore:
       - dependency-name: "*"
         update-types: ["version-update:semver-major"]
-    groups:
-      production-dependencies:
-        dependency-type: "production"
-      dev-dependencies:
-        dependency-type: "development"