install pre-commit before running in CI

Author: iTrooz

.github/workflows/ci.yml

@@ -18,4 +18,5 @@ jobs:
 
     - name: Run linting
       run: |
+        pipx install pre-commit
         pre-commit run --all-files

config.yml

@@ -5,9 +5,9 @@ dists:
         -
           version_id: "22.04"
           version_name: "jammy"
-        -
-          version_id: "20.04"
-          version_name: "focal"
+        # -
+        #   version_id: "20.04"
+        #   version_name: "focal"
       repos:
         DEFREPO:
           archive: "http://archive.ubuntu.com/ubuntu/dists/$version_name/"
@@ -21,31 +21,30 @@ dists:
         backports:
           archive: "http://archive.ubuntu.com/ubuntu/dists/$version_name-backports/"
           areas: ["main", "universe", "multiverse", "restricted"]
-        vscode:
-          archive: "https://packages.microsoft.com/repos/vscode/dists/stable/"
-          areas: ["main"]
+        # vscode:
+        #   archive: "https://packages.microsoft.com/repos/vscode/dists/stable/"
+        #   areas: ["main"]
 
-    fedora:
-      pm_type: "dnf"
-      versions:
-        - version_id: "37"
-        - version_id: "36"
-      repos:
-        DEFREPO:
-          archive: "https://mirrors.edge.kernel.org/fedora/releases/$version_id/Everything/x86_64/os/"
-        updates:
-          archive: "https://mirrors.edge.kernel.org/fedora/updates/$version_id/Everything/x86_64/"
-        google_chrome:
-          version_agnostic: true
-          archive: "https://dl.google.com/linux/chrome/rpm/stable/x86_64/"
+    # fedora:
+    #   pm_type: "dnf"
+    #   versions:
+    #     - version_id: "37"
+    #     - version_id: "36"
+    #   repos:
+    #     DEFREPO:
+    #       archive: "https://mirrors.edge.kernel.org/fedora/releases/$version_id/Everything/x86_64/os/"
+    #     updates:
+    #       archive: "https://mirrors.edge.kernel.org/fedora/updates/$version_id/Everything/x86_64/"
+    #     google_chrome:
+    #       version_agnostic: true
+    #       archive: "https://dl.google.com/linux/chrome/rpm/stable/x86_64/"
 
-    archlinux:
-      pm_type: "pacman"
-      archive: "https://mirror.cyberbits.eu/archlinux/$repo/os/x86_64/"
-      repos:
-        core: {}
-        community: {}
-        extra: {}
-        arch4edu:
-          archive: "https://mirror.lesviallon.fr/arch4edu/x86_64/"
-  
+    # archlinux:
+    #   pm_type: "pacman"
+    #   archive: "https://mirror.cyberbits.eu/archlinux/$repo/os/x86_64/"
+    #   repos:
+    #     core: {}
+    #     community: {}
+    #     extra: {}
+    #     arch4edu:
+    #       archive: "https://mirror.lesviallon.fr/arch4edu/x86_64/"