CP: Use Mac M1s or x86 wherever possible. (#49540) (#49545)

Arch type was fixed to x86 because release candidate branches didn't
have rosetta installed. Rosetta was enabled on December unblocking the
use of M1 machines in most of mac ios sub-builds.

Bug: flutter/flutter#133207

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Author: godofredoc

ci/builders/mac_ios_engine.json

@@ -28,8 +28,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -54,8 +53,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -80,8 +78,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -107,8 +104,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -134,7 +130,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
+                "os=Mac-12|Mac-13",
                 "cpu=x86"
             ],
             "gn": [
@@ -160,8 +156,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -187,8 +182,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -214,8 +208,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",
@@ -242,8 +235,7 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Mac-12",
-                "cpu=x86"
+                "os=Mac-12|Mac-13"
             ],
             "gn": [
                 "--ios",