Update Syft from 1.16.0 to 1.37.0 (#1527)

Author: JamieMagee

docs/update-syft.md

@@ -12,38 +12,18 @@ To do this:
     ```
 
 2. Find the [latest version of Syft][2]
-3. Pull the latest container image
+3. Copy the multi-platform image to the registry
 
     ```
-    $ docker pull docker.io/anchore/syft:v{LATEST}
-    v0.53.4: Pulling from anchore/syft
-    0d60d5ab2113: Pull complete
-    26136f3e3dd3: Pull complete
-    497aa7f04842: Pull complete
-    Digest: sha256:37e85e8efdeaabb1b6f65c5bc175b664cb05d1aaddd0d922130b8e25d6e49726
-    Status: Downloaded newer image for anchore/syft:v{LATEST}
-    docker.io/anchore/syft:v{LATEST}
+    $ docker buildx imagetools create \
+        --tag governancecontainerregistry.azurecr.io/syft:v{LATEST} \
+        docker.io/anchore/syft:v{LATEST}
     ```
 
-4. Retag the container image
+    This command preserves all platform images and creates a proper multi-platform manifest in the registry.
 
-    ```
-    $ docker tag docker.io/anchore/syft:v{LATEST} governancecontainerregistry.azurecr.io/syft:v{LATEST}
-    ```
-   
-5. Push the new image to the registry
-
-    ```
-    $ docker push governancecontainerregistry.azurecr.io/syft:v{LATEST}
-    The push refers to repository [governancecontainerregistry.azurecr.io/syft]
-    9c858c120b14: Pushed
-    840f3b941d62: Pushed
-    21ce82bb7448: Pushed
-    v{LATEST}: digest: sha256:04ed9c717a814fdccf52758b67333632a0ff16840fc393f5fba5864285eaebbe size: 945
-    ```
-
-6. Update the container reference in [`LinuxScanner`][3]
-7. Update [the models][4] that map the Syft output
+4. Update the container reference in [`LinuxScanner`][3]
+5. Update [the models][4] that map the Syft output
 
 [1]: https://github.com/anchore/syft
 [2]: https://github.com/anchore/syft/releases/latest