Pin local_engine mac builds to arm64 (#56172)

Author: zanderso

ci/builders/local_engine.json

@@ -4,7 +4,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -37,7 +38,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -71,7 +73,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -104,7 +107,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -137,7 +141,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -171,7 +176,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -207,7 +213,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "use_rbe": true
@@ -318,7 +325,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "use_rbe": true
@@ -351,7 +359,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "use_rbe": true
@@ -435,7 +444,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "use_rbe": true
@@ -519,7 +529,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -551,7 +562,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -584,7 +596,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -617,7 +630,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -756,7 +770,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,
@@ -840,7 +855,8 @@
       "cas_archive": false,
       "drone_dimensions": [
         "os=Mac-13|Mac-14",
-        "device_type=none"
+        "device_type=none",
+        "cpu=arm64"
       ],
       "gclient_variables": {
         "download_android_deps": false,