Merge pull request #202 from crazy-max/v4-prep

readme: set metadata-action to v4

Author: crazy-max

README.md

@@ -72,7 +72,7 @@ jobs:
       -
         name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: name/app
       -
@@ -125,7 +125,7 @@ jobs:
       -
         name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: |
             name/app
@@ -203,7 +203,7 @@ jobs:
       -
         name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: |
             name/app
@@ -767,7 +767,7 @@ workflow using the [`fromJSON` function](https://docs.github.com/en/actions/lear
 ```yaml
       -
         name: Docker meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         id: meta
         with:
           images: name/app
@@ -792,7 +792,7 @@ labels generated are not suitable, you can overwrite them like this:
       -
         name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: name/app
           labels: |

UPGRADE.md

@@ -2,7 +2,7 @@
 
 ## v2 to v3
 
-* Repository has been moved to docker org. Replace `crazy-max/ghaction-docker-meta@v2` with `docker/metadata-action@v3`
+* Repository has been moved to docker org. Replace `crazy-max/ghaction-docker-meta@v2` with `docker/metadata-action@v4`
 * The default bake target has been changed: `ghaction-docker-meta` > `docker-metadata-action`
 
 ## v1 to v2
@@ -180,7 +180,7 @@ jobs:
       -
         name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: name/app
       -
@@ -273,7 +273,7 @@ jobs:
       -
         name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: name/app
           tags: |