Select Xcode 16.2 in GitHub workflows.

Improve GitHub workflow step names.

Partial #713

Signed-off-by: Ross Goldberg <484615+rgoldberg@users.noreply.github.com>

.github/workflows/build-test.yml

@@ -21,7 +21,7 @@ jobs:
         # Force all run commands to not use Rosetta 2
         shell: arch -arm64 /bin/zsh -Negku {0}
     steps:
-      - name: Checkout
+      - name: 🛒 Checkout repo
         env:
           GIT_CONFIG_COUNT: 1
           GIT_CONFIG_KEY_0: init.defaultBranch
@@ -31,17 +31,20 @@ jobs:
           # Include all history & tags for script/version
           fetch-depth: 0
 
-      - name: Setup repo
+      - name: 🔧 Setup repo
         run: script/setup_workflow_repo
 
-      - name: Bootstrap
+      - name: 🛠 Select Xcode 16.2
+        run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
+
+      - name: 👢 Bootstrap
         run: script/bootstrap
 
-      - name: Build
+      - name: 🏗 Build
         run: script/build build-test
 
-      - name: Test
+      - name: 🧪 Test
         run: script/test
 
-      - name: Lint
+      - name: 🚨 Lint
         run: script/lint

.github/workflows/codeql.yml

@@ -27,7 +27,7 @@ jobs:
           - language: swift
             build-mode: manual
     steps:
-      - name: Checkout repository
+      - name: 🛒 Checkout repo
         env:
           GIT_CONFIG_COUNT: 1
           GIT_CONFIG_KEY_0: init.defaultBranch
@@ -37,23 +37,23 @@ jobs:
           # Include all history & tags for script/version
           fetch-depth: 0
 
-      - name: Setup repo
+      - name: 🔧 Setup repo
         run: script/setup_workflow_repo
 
-      - name: Initialize CodeQL
+      - name: 🔩 Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:
           languages: ${{matrix.language}}
           build-mode: ${{matrix.build-mode}}
           queries: ${{matrix.language == 'swift' && '+security-and-quality' || ''}}
 
-      - name: Build Swift
+      - name: 🏗 Build Swift
         if: matrix.language == 'swift'
         shell: bash
         run: |
           script/build codeql
 
-      - name: Perform CodeQL Analysis
+      - name: 🔍 Perform CodeQL analysis
         uses: github/codeql-action/analyze@v3
         with:
           category: /language:${{matrix.language}}

.github/workflows/tag-pushed.yml

@@ -60,10 +60,11 @@ jobs:
             exit 3
           fi
 
+      - name: 🛠 Select Xcode 16.2
+        run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
+
       - name: 📦 Build universal executable & package it in an installer
-        run: |
-          sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
-          script/package package
+        run: script/package package
 
       - name: 🚰 Bump custom tap formula
         env: