Merge pull request #99 from esp-rs/feature/change-ubuntu

Update ubuntu version used in CI

.github/workflows/audit.yaml

@@ -19,7 +19,7 @@ env:
 jobs:
   audit:
     name: Security audit
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3

.github/workflows/cd.yaml

@@ -17,12 +17,12 @@ jobs:
         job:
           - os: macos-latest
             target: x86_64-apple-darwin
-          - os: ubuntu-latest
+          - os: ubuntu-20.04
             target: x86_64-unknown-linux-gnu
           - os: windows-latest
             target: x86_64-pc-windows-msvc
             binary-postfix: ".exe"
-          - os: ubuntu-latest
+          - os: ubuntu-20.04
             target: aarch64-unknown-linux-gnu
             cross: true
           - os: macos-latest
@@ -69,7 +69,7 @@ jobs:
 
   # publish-cratesio:
   #   name: Publishing to Crates.io
-  #   runs-on: ubuntu-latest
+  #   runs-on: ubuntu-20.04
   #   steps:
   #     - name: Checkout repository
   #       uses: actions/checkout@v3

.github/workflows/ci.yaml

@@ -26,7 +26,7 @@ jobs:
         job:
           - os: macos-latest
             os-name: macos
-          - os: ubuntu-latest
+          - os: ubuntu-20.04
             os-name: linux
           - os: windows-latest
             os-name: windows
@@ -46,7 +46,7 @@ jobs:
             args: --dry-run
     steps:
       - name: Install dependencies
-        if: ${{ matrix.job.os == 'ubuntu-latest' }}
+        if: ${{ matrix.job.os == 'ubuntu-20.04' }}
         run: |
           sudo sed -i 's/azure.archive.ubuntu.com/archive.ubuntu.com/' /etc/apt/sources.list
           sudo apt-get update