DOC-3520: Fix CI workflows for Node 24 runner migration (#4248)

Upgrade configure-aws-credentials to v6 so OIDC role assumption no
longer hangs when GitHub forces Node 20 actions onto Node 24 runners.
Pin preview_create to Node 22 LTS on main to avoid Antora silent failures.

Author: kemister85

.github/workflows/deploy_docs_v2.yml

@@ -65,7 +65,7 @@ jobs:
         mv ./build/docs/sitemap.xml ./build/docs/antora-sitemap.xml
 
     - name: configure aws credentials
-      uses: aws-actions/configure-aws-credentials@v5.0.0
+      uses: aws-actions/configure-aws-credentials@v6
       with:
         role-to-assume: 'arn:aws:iam::${{ env.ACCT }}:role/${{ env.TARGET }}-tinymce-docs-update'
         role-session-name: tinymce-docs-${{ env.TARGET }}-release

.github/workflows/preview_create.yml

@@ -35,7 +35,7 @@ jobs:
       uses: actions/setup-node@v5
       with:
         cache: 'yarn'
-        node-version: 24
+        node-version: 22
 
     - name: Install dependencies
       run: yarn install
@@ -55,7 +55,7 @@ jobs:
         mv ./build/docs/sitemap.xml ./build/docs/antora-sitemap.xml
 
     - name: configure aws credentials
-      uses: aws-actions/configure-aws-credentials@v5.0.0
+      uses: aws-actions/configure-aws-credentials@v6
       with:
         role-to-assume: arn:aws:iam::327995277200:role/staging-tinymce-docs-update
         role-session-name: tinymce-docs-update

.github/workflows/preview_delete.yml

@@ -33,7 +33,7 @@ jobs:
         node-version: 24
 
     - name: configure aws credentials
-      uses: aws-actions/configure-aws-credentials@v5.0.0
+      uses: aws-actions/configure-aws-credentials@v6
       with:
         role-to-assume: arn:aws:iam::327995277200:role/staging-tinymce-docs-update
         role-session-name: tinymce-docs-delete