Alpine 3.19 EOL (#1627)

* Alpine 3.19 EOL

* bump up the version

Author: sireeshajonnalagadda

src/base-alpine/README.md

@@ -9,7 +9,8 @@
 | *Categories* | Core, Other |
 | *Image type* | Dockerfile |
 | *Published images* | mcr.microsoft.com/devcontainers/base:alpine |
-| *Available image variants* | alpine3.22, alpine3.21, alpine3.20, alpine3.19 ([full list](https://mcr.microsoft.com/v2/devcontainers/base/tags/list)) |
+| *Available image variants* | alpine-3.22, alpine-3.21, alpine-3.20 ([full list](https://mcr.microsoft.com/v2/devcontainers/base/tags/list)) |
+
 | *Published image architecture(s)* | x86-64, aarch64/arm64 |
 | *Container host OS support* | Linux, macOS, Windows |
 | *Container OS* | Alpine Linux |
@@ -22,10 +23,9 @@ See **[history](history)** for information on the contents of published images.
 You can also directly reference pre-built versions of `.devcontainer/Dockerfile` by using the `image` property in `.devcontainer/devcontainer.json` or updating the `FROM` statement in your own  `Dockerfile` to one of the following. An example `Dockerfile` is included in this repository.
 
 - `mcr.microsoft.com/devcontainers/base:alpine` (latest)
-- `mcr.microsoft.com/devcontainers/base:alpine3.22`
-- `mcr.microsoft.com/devcontainers/base:alpine3.21`
-- `mcr.microsoft.com/devcontainers/base:alpine3.20`
-- `mcr.microsoft.com/devcontainers/base:alpine3.19`
+- `mcr.microsoft.com/devcontainers/base:alpine-3.22`
+- `mcr.microsoft.com/devcontainers/base:alpine-3.21`
+- `mcr.microsoft.com/devcontainers/base:alpine-3.20`
 
 
 Refer to [this guide](https://containers.dev/guide/dockerfile) for more details.

src/base-alpine/manifest.json

@@ -1,10 +1,9 @@
 {
-	"version": "1.1.0",
+	"version": "2.0.0",
 	"variants": [
 		"3.22",
 		"3.21",		
-		"3.20",
-		"3.19"	
+		"3.20"	
 	],
 	"build": {
 		"latest": false,