chore: upgrade wasm fdws to v0.1.1

[burmecia]

What kind of change does this PR introduce?

This PR is to upgrade 3 wasm fdws to v0.1.1, as their host requirement has been changed in #303 . No business logic change in this upgrade. This upgrade will also use the latest wasm fdw release workflow, so README.txt and checksum.txt file will be part of this new release.

What is the current behavior?

N/A

What is the new behavior?

N/A

Additional context

After this PR is merged, need to run below commands to do release:

git tag wasm_paddle_fdw_v0.1.1
git push origin wasm_paddle_fdw_v0.1.1

git tag wasm_snowflake_fdw_v0.1.1
git push origin wasm_snowflake_fdw_v0.1.1