chore: pin nextest version in ci (#10800)

Author: grandizzy

.github/workflows/nextest.yml

@@ -54,7 +54,9 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           target: ${{ matrix.target }}
-      - uses: taiki-e/install-action@nextest
+      - uses: taiki-e/install-action@v2
+        with:
+          tool: nextest@0.9.98
 
       # External tests dependencies
       - name: Setup Node.js