fix(ci): Workaround broken self-hosted runners

Signed-off-by: jld3103 <jld3103yt@gmail.com>

.github/workflows/conventional_commits.yaml

@@ -5,7 +5,7 @@ on:
 jobs:
   conventional-commits:
     name: Conventional commits
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3

.github/workflows/dart.yml

@@ -14,7 +14,7 @@ permissions: read-all
 jobs:
   dart-ci:
     name: Dart CI
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Cache dependencies
         uses: actions/cache@v3