Change GitHub Actions platform to latest Ubuntu version.

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
   # @TODO: Instead of building the docker image here, take a pre-build image and mount the code?
   #        (only build when the Dockerfile changes) Or only push when tagged/main?
   build-docker-nextcloud:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         # For the latest version information see: https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule
@@ -76,7 +76,7 @@ jobs:
     needs:
       - build-docker-nextcloud
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     strategy:
       fail-fast: false

.github/workflows/dependancy-security-check.yml

@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
   security-check:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: "Security check"
 
     strategy:

.github/workflows/linting.yml

@@ -7,29 +7,29 @@ on:
 
 jobs:
   lint-json:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: "docker://pipelinecomponents/jsonlint:latest"
         with:
           args: "find . -not -path './.git/*' -name '*.json' -type f"
 
   lint-php:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: pipeline-components/php-linter@master
 
   lint-markdown:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: pipeline-components/remark-lint@master
         with:
           options: --rc-path=build/.remarkrc --ignore-pattern='*/vendor/*'
 
   lint-yaml:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: pipeline-components/yamllint@master

.github/workflows/php-version-sniff.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         php: [ '8.1' ]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: pipeline-components/php-codesniffer@master

.github/workflows/quality-checks.yml

@@ -7,15 +7,15 @@ on:
 
 jobs:
   composer-validate:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: "docker://composer"
         with:
           args: composer validate --strict --working-dir=solid/
 
   php-codesniffer:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: pipeline-components/php-codesniffer@master