Removing 1.4.x because it reached EOCS (#844)

.github/dependabot.yml

@@ -70,23 +70,3 @@ updates:
         update-types:
           - "version-update:semver-major"
           - "version-update:semver-minor"
-
-  - package-ecosystem: gradle
-    directory: "/"
-    target-branch: "1.4.x"
-    schedule:
-      interval: daily
-    commit-message:
-      prefix: "(1.4.x)"
-    milestone: 14
-    labels:
-      - dependencies
-    ignore:
-      - dependency-name: "org.springframework.boot:*"
-        update-types:
-          - "version-update:semver-major"
-          - "version-update:semver-minor"
-      - dependency-name: "spring-cloud-starter-open-service-broker"
-        update-types:
-          - "version-update:semver-major"
-          - "version-update:semver-minor"

.github/workflows/java-17-baseline.yml

@@ -2,9 +2,9 @@ name: Java 17 baseline build
 
 on:
   push:
-    branches: [ main ]
+    branches: [ 2.0.x, main ]
   pull_request:
-    branches: [ main ]
+    branches: [ 2.0.x, main ]
 
 jobs:
   build:

.github/workflows/java-8-baseline.yml

@@ -2,9 +2,9 @@ name: Java 8 baseline build
 
 on:
   push:
-    branches: [ 1.6.x, 1.5.x, 1.4.x ]
+    branches: [ 1.6.x, 1.5.x ]
   pull_request:
-    branches: [ 1.6.x, 1.5.x, 1.4.x ]
+    branches: [ 1.6.x, 1.5.x ]
 
 jobs:
   build: