Update checkout actions

Author: SimplyDanny

.github/workflows/deploying.yml

@@ -13,7 +13,7 @@ jobs:
       matrix:
         channel: ['beta', 'release']
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '2.7'

.github/workflows/linting.yml

@@ -6,7 +6,7 @@ jobs:
   swiftformat:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '2.7'
@@ -26,7 +26,7 @@ jobs:
   swiftlint:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '2.7'

.github/workflows/testing.yml

@@ -6,7 +6,7 @@ jobs:
   testing:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '2.7'
@@ -15,7 +15,7 @@ jobs:
       run: |
         brew update
         brew install carthage swiftformat
-        brew install go || brew link --overwrite go
+        brew install go@1.20 || brew link --overwrite go
         brew install swiftlint || brew link --overwrite swiftlint
         gem install bundler
     - uses: actions/cache@v3