Upgrade to Ubuntu 22

Author: ChrisThrasher

.github/workflows/linux-other-builds.yml

@@ -8,8 +8,9 @@ on: [push, pull_request]
 jobs:
   build:
     name: ${{matrix.build_description}}, ${{matrix.cxx}}, C++${{matrix.std}} ${{matrix.build_type}}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false
       matrix:
         # We add builds one by one in this case, because there are no
         # dimensions that are shared across the builds

.github/workflows/linux-simple-builds.yml

@@ -5,12 +5,11 @@ on: [push, pull_request]
 jobs:
   build:
     name: ${{matrix.cxx}}, C++${{matrix.std}}, ${{matrix.build_type}}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false
       matrix:
         cxx:
-          - g++-5
-          - g++-6
           - g++-7
           - g++-8
           - g++-9
@@ -23,10 +22,6 @@ jobs:
         build_type: [Debug, Release]
         std: [14]
         include:
-          - cxx: g++-5
-            other_pkgs: g++-5
-          - cxx: g++-6
-            other_pkgs: g++-6
           - cxx: g++-7
             other_pkgs: g++-7
           - cxx: g++-8
@@ -87,9 +82,9 @@ jobs:
 
     - name: Add repositories for older GCC
       run: |
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic main'
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic universe'
-      if: ${{ matrix.cxx == 'g++-5' || matrix.cxx == 'g++-6' }}
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ focal main'
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ focal universe'
+      if: ${{ matrix.cxx == 'g++-7' || matrix.cxx == 'g++-8' }}
 
     - name: Prepare environment
       run: |

.github/workflows/package-manager-builds.yaml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   conan_builds:
     name: Conan ${{matrix.conan_version}}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         conan_version:

.github/workflows/validate-header-guards.yml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   build:
     # Set the type of machine to run on
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
 
       - name: Checkout source code