[CI] disable spec-version-check and idempotency check

.github/workflows/check-migration.yml

@@ -20,7 +20,7 @@ jobs:
       runtime: ${{ steps.runtime.outputs.runtime }}
     name: Extract tasks from matrix
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - id: runtime
         run: |
           # Filter out runtimes that don't have a URI
@@ -63,6 +63,7 @@ jobs:
           cargo build --release -p ${{ matrix.runtime.package }} --features try-runtime -q --locked
 
       - name: Check migrations
+        # Todo: enable spec-version-check dynamically if we are releasing
         run: |
           PACKAGE_NAME=${{ matrix.runtime.package }}
           RUNTIME_BLOB_NAME=$(echo $PACKAGE_NAME | sed 's/-/_/g').compact.compressed.wasm
@@ -71,4 +72,5 @@ jobs:
           ./try-runtime \
             --runtime $RUNTIME_BLOB_PATH \
             on-runtime-upgrade --checks=pre-and-post \
+            --disable-spec-version-check --disable-idempotency-checks \
             live --uri ${{ matrix.runtime.uri }}