fix(ci): Bump Node to 22 in sample app CI workflows

RN 0.84 requires Node >= 22.11. Metro from RN 0.84 uses
Array.toReversed() which is not available in Node 18.

Bump Node version for the Bundle job in buildandtest.yml and
all jobs in sample-application.yml that run Metro bundling.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: antonis

.github/workflows/buildandtest.yml

@@ -246,7 +246,7 @@ jobs:
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           package-manager-cache: false
-          node-version: 18
+          node-version: 22
           cache: 'yarn'
           cache-dependency-path: yarn.lock
       - name: Install Dependencies

.github/workflows/sample-application.yml

@@ -72,7 +72,7 @@ jobs:
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           package-manager-cache: false
-          node-version: 18
+          node-version: 22
           cache: 'yarn'
           cache-dependency-path: yarn.lock
 
@@ -163,7 +163,7 @@ jobs:
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           package-manager-cache: false
-          node-version: 18
+          node-version: 22
           cache: 'yarn'
           cache-dependency-path: yarn.lock
 
@@ -238,7 +238,7 @@ jobs:
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           package-manager-cache: false
-          node-version: 18
+          node-version: 22
           cache: 'yarn'
           cache-dependency-path: yarn.lock
 
@@ -325,7 +325,7 @@ jobs:
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           package-manager-cache: false
-          node-version: 18
+          node-version: 22
           cache: 'yarn'
           cache-dependency-path: yarn.lock
 
@@ -378,7 +378,7 @@ jobs:
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           package-manager-cache: false
-          node-version: 18
+          node-version: 22
           cache: 'yarn'
           cache-dependency-path: yarn.lock