fix: typo in rsp example ci test (#1465)

Author: yuwen01

.github/workflows/main.yml

@@ -172,7 +172,7 @@ jobs:
     name: Example (RSP Low Memory)
     strategy: 
       matrix:
-        mem_limit: []
+        mem_limit: [16, 32, 64]
     runs-on:
       [
         runs-on,
@@ -205,7 +205,7 @@ jobs:
 
       - name: Run script
         run: |
-          cd examples/tendermint/program
+          cd examples/rsp/program
           cargo add sp1-zkvm --path $GITHUB_WORKSPACE/crates/zkvm/entrypoint
           cargo prove build
           cd ../script