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/danger.yml

@@ -1,35 +1,35 @@
 name: Danger
 
 on:
-  pull_request:
-    branches: [main]
-    types:
-      - opened
-      - synchronize
-      - reopened
-      - edited
+    pull_request:
+        branches: [main]
+        types:
+            - opened
+            - synchronize
+            - reopened
+            - edited
 
 jobs:
-  danger:
-    runs-on: ubuntu-latest
+    danger:
+        runs-on: ubuntu-latest
 
-    steps:
-      - uses: actions/checkout@v4
+        steps:
+            - uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v2.2.4
-        with:
-          version: 8
+            - uses: pnpm/action-setup@v2.2.4
+              with:
+                  version: 8
 
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: "20"
-          cache: "pnpm"
-          cache-dependency-path: "script/danger/pnpm-lock.yaml"
+            - name: Setup Node
+              uses: actions/setup-node@v4
+              with:
+                  node-version: "20"
+                  cache: "pnpm"
+                  cache-dependency-path: "script/danger/pnpm-lock.yaml"
 
-      - run: pnpm install --dir script/danger
+            - run: pnpm install --dir script/danger
 
-      - name: Run Danger
-        run: pnpm run --dir script/danger danger ci
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
+            - name: Run Danger
+              run: pnpm run --dir script/danger danger ci
+              env:
+                  GITHUB_TOKEN: ${{ github.token }}