Update ubuntu-18.04 to 20.04

.github/workflows/coverage.yml

@@ -6,7 +6,7 @@ name: Execute code coverage
 
 jobs:
   nightly-coverage:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - uses: actions-rs/toolchain@v1

.github/workflows/flaky.yml

@@ -5,7 +5,7 @@ on:
 
 jobs:
   flaky:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
 
     steps:
     - uses: actions/checkout@v3

.github/workflows/publish-binaries.yml

@@ -35,9 +35,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-18.04, macos-latest, windows-latest]
+        os: [ubuntu-20.04, macos-latest, windows-latest]
         include:
-          - os: ubuntu-18.04
+          - os: ubuntu-20.04
             artifact_name: meilisearch
             asset_name: meilisearch-linux-amd64
           - os: macos-latest
@@ -72,7 +72,7 @@ jobs:
       matrix:
         include:
           - build: aarch64
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             target: aarch64-unknown-linux-gnu
             linker: gcc-aarch64-linux-gnu
             use-cross: true

.github/workflows/publish-deb-brew-pkg.yml

@@ -15,7 +15,7 @@ jobs:
 
   debian:
     name: Publish debian packagge
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     needs: check-version
     steps:
     - uses: hecrj/setup-rust-action@master
@@ -38,7 +38,7 @@ jobs:
 
   homebrew:
     name: Bump Homebrew formula
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     needs: check-version
     steps:
       - name: Create PR to Homebrew

.github/workflows/rust.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-18.04, macos-latest, windows-latest]
+        os: [ubuntu-20.04, macos-latest, windows-latest]
     steps:
     - uses: actions/checkout@v3
     - name: Cache dependencies
@@ -40,7 +40,7 @@ jobs:
   # We run tests in debug also, to make sure that the debug_assertions are hit
   test-debug:
     name: Run tests in debug
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - uses: actions-rs/toolchain@v1
@@ -58,7 +58,7 @@ jobs:
 
   clippy:
     name: Run Clippy
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - uses: actions-rs/toolchain@v1
@@ -77,7 +77,7 @@ jobs:
 
   fmt:
     name: Run Rustfmt
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - uses: actions-rs/toolchain@v1

bors.toml

@@ -1,5 +1,5 @@
 status = [
-    'Tests on ubuntu-18.04',
+    'Tests on ubuntu-20.04',
     'Tests on macos-latest',
     'Tests on windows-latest',
     'Run Clippy',