Fix rubocop complaint; Bump actions Ubuntu version

.github/workflows/build_rpi3.yml

@@ -21,11 +21,11 @@ on:
 jobs:
   build:
     name: Build kernels
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Ruby 2.x
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
       - name: Set up Rust nightly
         run: |

.github/workflows/build_rpi4.yml

@@ -21,11 +21,11 @@ on:
 jobs:
   build:
     name: Build kernels
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Ruby 2.x
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
       - name: Set up Rust nightly
         run: |

.github/workflows/sanity.yml

@@ -11,15 +11,15 @@ on:
 jobs:
   build:
     name: Various Sanity Checks
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Node
         uses: actions/setup-node@v1
         with:
           node-version: "12"
-      - name: Set up Ruby 2.x
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
       - name: Set up Rust nightly
         run: |

.github/workflows/test_integration.yml

@@ -21,11 +21,11 @@ on:
 jobs:
   build:
     name: Run integration tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Ruby 2.x
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
       - name: Set up Rust nightly
         run: |

.github/workflows/test_unit.yml

@@ -21,11 +21,11 @@ on:
 jobs:
   build:
     name: Run boot and unit tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Ruby 2.x
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
       - name: Set up Rust nightly
         run: |

.github/workflows/test_xtra.yml

@@ -21,11 +21,11 @@ on:
 jobs:
   build:
     name: Run xtra tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Ruby 2.x
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
       - name: Set up Rust nightly
         run: |

Gemfile

@@ -11,5 +11,5 @@ group :uart do
 end
 
 group :development do
-    gem 'rubocop', '>= 1.4.1', require: false
+    gem 'rubocop', '>= 1.37.1', require: false
 end

contributor_setup.sh

@@ -10,7 +10,7 @@ then
     echo "'bundle' could not be found. Please install Ruby and Bundler."
     exit
 fi
-bundle config set path '.vendor/bundle'
+bundle config set --local path '.vendor/bundle'
 bundle install
 
 #

utils/devtool.rb

@@ -108,7 +108,7 @@ class DevTool
         @user_has_supplied_crates = false
         @bsp = bsp_from_env || SUPPORTED_BSPS.first
 
-        cl = user_supplied_crate_list || Dir['*/Cargo.toml'].sort
+        cl = user_supplied_crate_list || Dir['*/Cargo.toml']
         @crates = cl.map { |c| TutorialCrate.new(c.delete_suffix('/Cargo.toml')) }
     end