Ansible-core devel's version was bumped to 2.21.0.dev0, add stable-2.20 to CI (#1168)

* Ansible-core devel's version was bumped to 2.21.0.dev0.

* Add stable-2.20 to CI.

.azure-pipelines/azure-pipelines.yml

@@ -63,6 +63,17 @@ stages:
               test: 'devel/sanity/1'
             - name: Units
               test: 'devel/units/1'
+  - stage: Ansible_2_20
+    displayName: Sanity & Units 2.20
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          targets:
+            - name: Sanity
+              test: '2.20/sanity/1'
+            - name: Units
+              test: '2.20/units/1'
   - stage: Ansible_2_19
     displayName: Sanity & Units 2.19
     dependsOn: []
@@ -117,6 +128,21 @@ stages:
           groups:
             - 4
             - 5
+  - stage: Docker_2_20
+    displayName: Docker 2.20
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: 2.20/linux/{0}
+          targets:
+            - name: Fedora 42
+              test: fedora42
+            - name: Alpine 3.22
+              test: alpine322
+          groups:
+            - 4
+            - 5
   - stage: Docker_2_19
     displayName: Docker 2.19
     dependsOn: []
@@ -125,7 +151,7 @@ stages:
         parameters:
           testFormat: 2.19/linux/{0}
           targets:
-            - name: Fedora 42
+            - name: Fedora 41
               test: fedora41
             - name: Alpine 3.21
               test: alpine321
@@ -210,6 +236,22 @@ stages:
             - 3
             - 4
             - 5
+  - stage: Remote_2_20
+    displayName: Remote 2.20
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: 2.20/{0}
+          targets:
+            - name: RHEL 9.6
+              test: rhel/9.6
+          groups:
+            - 1
+            - 2
+            - 3
+            - 4
+            - 5
   - stage: Remote_2_19
     displayName: Remote 2.19
     dependsOn: []
@@ -267,14 +309,17 @@ stages:
     condition: succeededOrFailed()
     dependsOn:
       - Ansible_devel
+      - Ansible_2_20
       - Ansible_2_19
       - Ansible_2_18
       - Ansible_2_17
       - Remote_devel
+      - Remote_2_20
       - Remote_2_19
       - Remote_2_18
       - Remote_2_17
       - Docker_devel
+      - Docker_2_20
       - Docker_2_19
       - Docker_2_18
       - Docker_2_17