Upgrade GH actions to reduce CI warnings (#7403)

Deals with one of the warnings GH shows on our actions run:

https://github.com/zed-industries/zed/actions/runs/7790218555
<img width="1383" alt="image"
src="https://github.com/zed-industries/zed/assets/2690773/e523ec7c-bf43-4b0d-8c36-8540aef6fae9">

bufbuild/* actions seem to have no new major versions so there's nothing
new to upgrade to.

Release Notes:

- N/A

.github/workflows/randomized_tests.yml

@@ -3,35 +3,35 @@ name: Randomized Tests
 concurrency: randomized-tests
 
 on:
-  push:
-    branches:
-      - randomized-tests-runner
-  # schedule:
-  #    - cron: '0 * * * *'
+    push:
+        branches:
+            - randomized-tests-runner
+    # schedule:
+    #    - cron: '0 * * * *'
 
 env:
-  CARGO_TERM_COLOR: always
-  CARGO_INCREMENTAL: 0
-  RUST_BACKTRACE: 1
-  ZED_SERVER_URL: https://zed.dev
+    CARGO_TERM_COLOR: always
+    CARGO_INCREMENTAL: 0
+    RUST_BACKTRACE: 1
+    ZED_SERVER_URL: https://zed.dev
 
 jobs:
-  tests:
-    name: Run randomized tests
-    runs-on:
-      - self-hosted
-      - randomized-tests
-    steps:
-      - name: Install Node
-        uses: actions/setup-node@v3
-        with:
-          node-version: "18"
+    tests:
+        name: Run randomized tests
+        runs-on:
+            - self-hosted
+            - randomized-tests
+        steps:
+            - name: Install Node
+              uses: actions/setup-node@v4
+              with:
+                  node-version: "18"
 
-      - name: Checkout repo
-        uses: actions/checkout@v4
-        with:
-          clean: false
-          submodules: "recursive"
+            - name: Checkout repo
+              uses: actions/checkout@v4
+              with:
+                  clean: false
+                  submodules: "recursive"
 
-      - name: Run randomized tests
-        run: script/randomized-test-ci
+            - name: Run randomized tests
+              run: script/randomized-test-ci