ci: increase Node memory limit for DTS generation

The tsup DTS generation with resolve:true is memory-intensive even
when generating types once. CI runners have limited default memory,
so we need to explicitly increase the heap size.

Author: nicknisi

.github/workflows/ci.yml

@@ -36,8 +36,9 @@ jobs:
           npm run lint
 
       - name: Build
-        run: |
-          npm run build
+        run: npm run build
+        env:
+          NODE_OPTIONS: '--max-old-space-size=4096'
 
       - name: Test
         run: |

.github/workflows/runtime-tests.yml

@@ -19,6 +19,8 @@ jobs:
         run: |
           npm install
           npm run build
+        env:
+          NODE_OPTIONS: '--max-old-space-size=4096'
 
       - name: Runtime compatibility check
         run: npm run check:runtimes