fix(ci): Bump Node to 22 in size-analysis and testflight workflows

RN 0.84 ships metro-config 0.82.2 which uses Array.toReversed(),
requiring Node 20+. These two workflows build the sample app but
were missed in the RN 0.84.1 bump PR (#5941).

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

Author: antonis

.github/workflows/size-analysis.yml

@@ -40,7 +40,7 @@ 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
 
@@ -94,7 +94,7 @@ 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
 

.github/workflows/testflight.yml

@@ -29,7 +29,7 @@ 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