CI: Use ubuntu-slim runner for lint jobs

.github/workflows/gamedb-lint.yml

@@ -18,12 +18,10 @@ on:
 
 jobs:
   gamedb-lint:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-slim
     timeout-minutes: 120
     steps:
     - uses: actions/checkout@v6
-      with:
-        fetch-depth: 0
 
     - name: Install Packages
       shell: bash

.github/workflows/translation-lint.yml

@@ -14,12 +14,10 @@ on:
 
 jobs:
   translation-lint:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-slim
     timeout-minutes: 120
     steps:
     - uses: actions/checkout@v6
-      with:
-        fetch-depth: 0
 
     # Meh, can't be bothered to work out exactly which one was modified, just check them all.
     - name: Check Translation Placeholders