feat: added e2-medium machine type (#415)

* feat: added e2-medium machine type

Clients can now specify the e2-medium machine type.

PiperOrigin-RevId: 546077446

Source-Link: googleapis/googleapis@b98e88f

Source-Link: googleapis/googleapis-gen@d5619d9
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packages/google-cloud-build/google/cloud/devtools/cloudbuild_v1/types/cloudbuild.py

@@ -2932,12 +2932,15 @@ class MachineType(proto.Enum):
                 Highcpu e2 machine with 8 CPUs.
             E2_HIGHCPU_32 (6):
                 Highcpu e2 machine with 32 CPUs.
+            E2_MEDIUM (7):
+                E2 machine with 1 CPU.
         """
         UNSPECIFIED = 0
         N1_HIGHCPU_8 = 1
         N1_HIGHCPU_32 = 2
         E2_HIGHCPU_8 = 5
         E2_HIGHCPU_32 = 6
+        E2_MEDIUM = 7
 
     class SubstitutionOption(proto.Enum):
         r"""Specifies the behavior when there is an error in the

packages/google-cloud-build/samples/generated_samples/snippet_metadata_google.devtools.cloudbuild.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-build",
-    "version": "3.17.1"
+    "version": "0.1.0"
   },
   "snippets": [
     {

packages/google-cloud-build/samples/generated_samples/snippet_metadata_google.devtools.cloudbuild.v2.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-build",
-    "version": "3.17.1"
+    "version": "0.1.0"
   },
   "snippets": [
     {