Update git checkout commands to not include RC tags (#1347)

* Update git checkout commands to not include RC tags

Fixes btcpayserver/btcpayserver#5454.

* Update docs/FAQ/ServerSettings.md

docs/Deployment/ManualDeploymentExtended.md

@@ -861,7 +861,7 @@ Like NBXplorer the BTCPay Server application is also .NET Core. The install step
 ~/src$ git clone https://github.com/btcpayserver/btcpayserver.git
 ~/src$ cd btcpayserver
 # Checkout latest tag
-~$ git checkout $(git tag --sort -version:refname | awk 'match($0, /^v[0-9]+\./)' | head -n 1)
+~$ git checkout $(git tag --sort -version:refname | awk 'match($0, /^v[0-9]+\.[0-9]+\.[0-9]+$/)' | head -n 1)
 # Build the app
 ~/src/btcpayserver$ ./build.sh
 ```
@@ -977,7 +977,7 @@ Updating could break things. Be careful on a live system.
 # Stop the service
 ~$ sudo systemctl stop btcpay
 # Checkout and build latest tag
-~$ cd ~; pushd ~/src/btcpayserver; git fetch --tags && git checkout $(git tag --sort -version:refname | awk 'match($0, /^v[0-9]+\./)' | head -n 1) && ./build.sh; popd;
+~$ cd ~; pushd ~/src/btcpayserver; git fetch --tags && git checkout $(git tag --sort -version:refname | awk 'match($0, /^v[0-9]+\.[0-9]+\.[0-9]+$/)' | head -n 1) && ./build.sh; popd;
 # Restart the service
 ~$ sudo systemctl start btcpay
 ```

docs/FAQ/ServerSettings.md

@@ -212,8 +212,11 @@ You can run the following command line to give access to BTCPay to your server v
 
 ```bash
 sudo su -
+
+# Checkout latest BTCPay Server version
 cd $BTCPAY_BASE_DIRECTORY/btcpayserver-docker
-git checkout master
+git checkout $(git tag --sort -version:refname | awk 'match($0, /^v[0-9]+\.[0-9]+\.[0-9]+$/)' | head -n 1)
+
 # Setup SSH access via private key
 ssh-keygen -t rsa -f /root/.ssh/id_rsa_btcpay -q -P "" -m PEM
 echo "# Key used by BTCPay Server" >> /root/.ssh/authorized_keys