Move Alpine 3.18 docker to stable-2.16, add Alpine 3.19 docker, bump Alpine VM to 3.19. (#720)

.azure-pipelines/azure-pipelines.yml

@@ -111,8 +111,8 @@ stages:
               test: fedora39
             - name: Ubuntu 22.04
               test: ubuntu2204
-            - name: Alpine 3
-              test: alpine3
+            - name: Alpine 3.19
+              test: alpine319
           groups:
             - 1
             - 2
@@ -128,6 +128,8 @@ stages:
               test: fedora38
             - name: openSUSE 15
               test: opensuse15
+            - name: Alpine 3
+              test: alpine3
           groups:
             - 1
             - 2
@@ -188,8 +190,8 @@ stages:
         parameters:
           testFormat: devel/{0}
           targets:
-            - name: Alpine 3.18
-              test: alpine/3.18
+            - name: Alpine 3.19
+              test: alpine/3.19
             - name: Fedora 39
               test: fedora/39
             - name: Ubuntu 22.04