Update patching test to reflect new spec format

Because of the patching PR.

Signed-off-by: Peter Engelbert <pmengelbert@gmail.com>

test/fixtures/git-patch.yml

@@ -14,9 +14,11 @@ dependencies:
 
 sources:
   src:
-    ref: https://github.com/moby/containerd.git
+    git:
+      url: https://github.com/moby/containerd.git
   patch1:
-    ref: https://raw.githubusercontent.com/Azure/moby-packaging/7092638d14708b389abf0937086508ceb2571404/moby-containerd/patches/service-execstart.patch
+    https:
+      url: https://raw.githubusercontent.com/Azure/moby-packaging/7092638d14708b389abf0937086508ceb2571404/moby-containerd/patches/service-execstart.patch
 
 build:
   steps:
@@ -30,4 +32,4 @@ build:
 
 patches:
   src:
-    - source: patch1
+    - source: patch1

test/fixtures/kubernetes-patch.yml

@@ -14,14 +14,17 @@ dependencies:
 
 sources:
   src:
-    ref: https://github.com/kubernetes/kubernetes.git#v1.28.0
-
+    git:
+      url: https://github.com/kubernetes/kubernetes.git#v1.28.0
   patch_120129:
-    ref: https://patch-diff.githubusercontent.com/raw/kubernetes/kubernetes/pull/120129.patch
+    https:
+      url: https://patch-diff.githubusercontent.com/raw/kubernetes/kubernetes/pull/120129.patch
   patch_120134:
-    ref: https://patch-diff.githubusercontent.com/raw/kubernetes/kubernetes/pull/120134.patch
+    https:
+      url: https://patch-diff.githubusercontent.com/raw/kubernetes/kubernetes/pull/120134.patch
   patch_121882:
-    ref: https://patch-diff.githubusercontent.com/raw/kubernetes/kubernetes/pull/121882.patch
+    https:
+      url: https://patch-diff.githubusercontent.com/raw/kubernetes/kubernetes/pull/121882.patch
 
 
 build:
@@ -44,4 +47,4 @@ patches:
   src:
     - source: patch_120129
     - source: patch_120134
-    - source: patch_121882
+    - source: patch_121882