fix: fix fetching rc versions of vault cli (#156)

Co-authored-by: Mathias Fredriksson <mafredri@gmail.com>

vault-github/run.sh

@@ -34,7 +34,7 @@ unzip_safe() {
 install() {
   # Fetch the latest version of Vault if INSTALL_VERSION is 'latest'
   if [ "$${INSTALL_VERSION}" = "latest" ]; then
-    LATEST_VERSION=$(curl -s https://releases.hashicorp.com/vault/ | grep -oP 'vault/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -n 1)
+    LATEST_VERSION=$(curl -s https://releases.hashicorp.com/vault/ | grep -v '-rc' | grep -oP 'vault/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -n 1)
     printf "Latest version of Vault is %s.\n\n" "$${LATEST_VERSION}"
     if [ -z "$${LATEST_VERSION}" ]; then
       printf "Failed to determine the latest Vault version.\n"

vault-token/run.sh

@@ -32,7 +32,7 @@ unzip_safe() {
 install() {
   # Fetch the latest version of Vault if INSTALL_VERSION is 'latest'
   if [ "$${INSTALL_VERSION}" = "latest" ]; then
-    LATEST_VERSION=$(curl -s https://releases.hashicorp.com/vault/ | grep -oP 'vault/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -n 1)
+    LATEST_VERSION=$(curl -s https://releases.hashicorp.com/vault/ | grep -v '-rc' | grep -oP 'vault/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -n 1)
     printf "Latest version of Vault is %s.\n\n" "$${LATEST_VERSION}"
     if [ -z "$${LATEST_VERSION}" ]; then
       printf "Failed to determine the latest Vault version.\n"