ci: update Node.js version to 18 in workflow files

Author: abbesBenayache

.github/workflows/dapp-manual-operations.yml

@@ -98,7 +98,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '18'
           cache: 'npm'
 
       - name: Install dependencies

.github/workflows/sdk-manual-operations.yml

@@ -33,7 +33,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 18
           cache: 'npm'
           cache-dependency-path: package-lock.json
 
@@ -57,7 +57,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 18
           cache: 'npm'
           cache-dependency-path: package-lock.json
 
@@ -94,7 +94,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 18
           cache: 'npm'
           cache-dependency-path: package-lock.json
 
@@ -117,7 +117,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 18
 
       - name: Deprecate version
         run: |
@@ -138,7 +138,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 18
 
       - name: Undeprecate version
         run: |

.github/workflows/sdk-pr-test.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '18'
           cache: 'npm'
 
       - name: Install dependencies
@@ -34,7 +34,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 18
           cache: 'npm'
           cache-dependency-path: package-lock.json