gha: add linux/arm/v5 to list of platforms

We include this in the moby/moby repo, but it looks like
we didn't for the CLI.

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

docker-bake.hcl

@@ -31,6 +31,7 @@ target "_platforms" {
         "darwin/amd64",
         "darwin/arm64",
         "linux/amd64",
+        "linux/arm/v5",
         "linux/arm/v6",
         "linux/arm/v7",
         "linux/arm64",
@@ -186,6 +187,7 @@ target "bin-image-cross" {
     "darwin/amd64",
     "darwin/arm64",
     "linux/amd64",
+    "linux/arm/v5",
     "linux/arm/v6",
     "linux/arm/v7",
     "linux/arm64",