fix: add pull request workflow

Author: plockaby

.github/workflows/pull_request.yaml

@@ -0,0 +1,22 @@
+name: Pull Requests
+
+on:
+  pull_request:
+
+jobs:
+  # NOTE: you can make these tests required in the pull request by creating a ruleset and then checking "Require status
+  # checks to pass" and then, under "Status checks that are required" click "Add checks" and just type in these:
+  #    - "tests / pre-commit"
+  #    - "security / security"
+  #
+  # NOTE: if you had the jobs directly in this file you could just refer to them by the yaml identifier for the job.
+  # for example, this job is called "tests" so you'd put "tests" as a required "status check". and if you were to take
+  # the contents of tests.yaml and put it into here then you'd want to set "pre-commit" and "test" as required status
+  # checks.
+  tests:
+    uses: ./.github/workflows/tests.yaml
+    secrets: inherit
+
+  security:
+    uses: ./.github/workflows/security.yaml
+    secrets: inherit

.github/workflows/tests.yaml

@@ -14,12 +14,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.13.x"
-          cache: "pip"
-
       - name: Run linter
         uses: pre-commit/action@v3.0.1
         env: