chore: update dfx to 0.20.0 (#863)

* chore: update dfx to 0.20.0

* chore: update dfxvm install scripts

Author: Jason

.github/workflows/provision-darwin.sh

@@ -17,8 +17,8 @@ sudo installer -pkg node.pkg -store -target /
 rm node.pkg
 
 # Install DFINITY SDK.
-curl --location --output install-dfx.sh "https://raw.githubusercontent.com/dfinity/sdk/dfxvm-install-script/install.sh"
-DFX_VERSION=${DFX_VERSION:=0.19.0} DFXVM_INIT_YES=true bash install-dfx.sh
+curl --location --output install-dfx.sh "https://raw.githubusercontent.com/dfinity/sdk/master/public/install-dfxvm.sh"
+DFX_VERSION=${DFX_VERSION:=0.20.0} DFXVM_INIT_YES=true bash install-dfx.sh
 rm install-dfx.sh
 echo "$HOME/Library/Application Support/org.dfinity.dfx/bin" >> $GITHUB_PATH
 source "$HOME/Library/Application Support/org.dfinity.dfx/env"

.github/workflows/provision-linux.sh

@@ -12,8 +12,8 @@ sudo apt-get install --yes nodejs
 rm install-node.sh
 
 # Install DFINITY SDK.
-wget --output-document install-dfx.sh "https://raw.githubusercontent.com/dfinity/sdk/dfxvm-install-script/install.sh"
-DFX_VERSION=${DFX_VERSION:=0.19.0} DFXVM_INIT_YES=true bash install-dfx.sh
+wget --output-document install-dfx.sh "https://raw.githubusercontent.com/dfinity/sdk/master/public/install-dfxvm.sh"
+DFX_VERSION=${DFX_VERSION:=0.20.0} DFXVM_INIT_YES=true bash install-dfx.sh
 rm install-dfx.sh
 echo "$HOME/.local/share/dfx/bin" >> $GITHUB_PATH
 source "$HOME/.local/share/dfx/env"