Update actions/setup-node action to v5 (#1900)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Diana Lau <[email protected]>

Author: renovate[bot]

.github/workflows/pr-build.yml

@@ -19,7 +19,7 @@ jobs:
           persist-credentials: false
 
       - name: Use Node.js 22
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
         with:
           node-version: 22.19.0
 

.github/workflows/site-build.yml

@@ -19,7 +19,7 @@ jobs:
           persist-credentials: false
 
       - name: Use Node.js 22
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
         with:
           node-version: 22.19.0