Rename OS X as macOS

Bump CI to latest xcode available on maxOS 10.13

.travis.yml

@@ -51,24 +51,24 @@ matrix:
       dist: bionic
       language: minimal
       before_install:
-        - sudo docker run -dit --name sharp --env CI --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp arm64v8/debian:bullseye
+        - sudo docker run -dit --name sharp --env CI --env PREBUILD_TOKEN --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp arm64v8/debian:bullseye
         - sudo docker exec sharp apt-get update
         - sudo docker exec sharp apt-get install -y build-essential git python2 nodejs npm
       install: sudo docker exec sharp sh -c "npm install --unsafe-perm"
       script: sudo docker exec sharp sh -c "npm test"
-    - name: "OS X (10.12+) - Node.js 10"
+    - name: "macOS (10.13+) - Node.js 10"
       os: osx
-      osx_image: xcode9.2
+      osx_image: xcode10.1
       language: node_js
       node_js: "10"
-    - name: "OS X (10.12+) - Node.js 12"
+    - name: "macOS (10.13+) - Node.js 12"
       os: osx
-      osx_image: xcode9.2
+      osx_image: xcode10.1
       language: node_js
       node_js: "12"
-    - name: "OS X (10.12+) - Node.js 13"
+    - name: "macOS (10.13+) - Node.js 13"
       os: osx
-      osx_image: xcode10
+      osx_image: xcode10.1
       language: node_js
       node_js: "13"
 cache:

README.md

@@ -20,7 +20,7 @@ Lanczos resampling ensures quality is not sacrificed for speed.
 As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
-Most modern 64-bit OS X, Windows and Linux systems running
+Most modern 64-bit macOS, Windows and Linux systems running
 Node versions 10, 12 and 13
 do not require any additional install or runtime dependencies.