CI: update ubuntu version

ubuntu-20.04 has been retired

Signed-off-by: Andrei Horodniceanu <a.horodniceanu@proton.me>

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         # use older ubuntu / linux version for glibc compatibility
-        os: [ubuntu-20.04, windows-latest, macos-latest]
+        os: [ubuntu-22.04, windows-latest, macos-latest]
         dc:
           - ldc-latest
           - dmd-latest
@@ -28,8 +28,8 @@ jobs:
             build: debug
             libdparse-version: min
           # old compiler tests
-          - { os: ubuntu-20.04, dc: dmd-2.095.1, libdparse-version: min, build: debug, arch: x86_64 }
-          - { os: ubuntu-20.04, dc: ldc-1.25.0, libdparse-version: min, build: debug, arch: x86_64 }
+          - { os: ubuntu-22.04, dc: dmd-2.095.1, libdparse-version: min, build: debug, arch: x86_64 }
+          - { os: ubuntu-22.04, dc: ldc-1.25.0, libdparse-version: min, build: debug, arch: x86_64 }
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3

.github/workflows/pr_info_intro.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   intro_comment:
     name: Make intro comment
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - name: 'Prepare sticky comment'
       # commit of v2.5.0

.github/workflows/pr_info_post.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   comment:
     name: PR Info
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     if: >
       github.event.workflow_run.event == 'pull_request' &&
       github.event.workflow_run.conclusion == 'success'

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         # use older ubuntu / linux version for glibc compatibility
-        os: [ubuntu-20.04, windows-latest, macos-latest]
+        os: [ubuntu-22.04, windows-latest, macos-latest]
         dc:
           - ldc-latest
         arch: