Update README.md to point to release assets instead of gcs buckets (#426)

Author: loosebazooka

README.md

@@ -20,20 +20,23 @@ $ brew install container-structure-test
 ```
 
 ```shell
-curl -LO https://storage.googleapis.com/container-structure-test/latest/container-structure-test-darwin-amd64 && chmod +x container-structure-test-darwin-amd64 && sudo mv container-structure-test-darwin-amd64 /usr/local/bin/container-structure-test
+curl -LO https://github.com/GoogleContainerTools/container-structure-test/releases/latest/download/container-structure-test-darwin-arm64 && chmod +x container-structure-test-darwin-amd64 && sudo mv container-structure-test-darwin-amd64 /usr/local/bin/container-structure-test
 ```
 
 ### Linux
 ```shell
-curl -LO https://storage.googleapis.com/container-structure-test/latest/container-structure-test-linux-amd64 && chmod +x container-structure-test-linux-amd64 && sudo mv container-structure-test-linux-amd64 /usr/local/bin/container-structure-test
+curl -LO https://github.com/GoogleContainerTools/container-structure-test/releases/latest/download/container-structure-test-linux-amd64 && chmod +x container-structure-test-linux-amd64 && sudo mv container-structure-test-linux-amd64 /usr/local/bin/container-structure-test
 ```
 
 If you want to avoid using sudo:
 
 ```shell
-curl -LO https://storage.googleapis.com/container-structure-test/latest/container-structure-test-linux-amd64 && chmod +x container-structure-test-linux-amd64 && mkdir -p $HOME/bin && export PATH=$PATH:$HOME/bin && mv container-structure-test-linux-amd64 $HOME/bin/container-structure-test
+curl -LO https://github.com/GoogleContainerTools/container-structure-test/releases/latest/download/container-structure-test-linux-amd64 && chmod +x container-structure-test-linux-amd64 && mkdir -p $HOME/bin && export PATH=$PATH:$HOME/bin && mv container-structure-test-linux-amd64 $HOME/bin/container-structure-test
 ```
 
+> [!warning]
+> Container builds are currently not updated with new releases
+
 Additionally, a container image for running tests through Google Cloud Builder can be found
 at `gcr.io/gcp-runtimes/container-structure-test:latest`.