ci: add timeout-minutes to workflows

Author: bakerboy448

.github/workflows/pre-commit.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   pre-commit:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v5

.github/workflows/shellcheck.yml

@@ -6,6 +6,7 @@ jobs:
   shellcheck:
     name: Run ShellCheck
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
     - name: Checkout code
       uses: actions/checkout@v6