fix(NODE-7176): handle node versions without a leading v in install-node.sh (#692)

Author: baileympearson

.evergreen/install-node.sh

@@ -44,11 +44,13 @@ shopt -s nocasematch
 
 while IFS=$'\t' read -r -a row; do
  node_index_version="${row[0]}"
+ echo $node_index_version >> "versions.txt"
  node_index_major_version=$(echo $node_index_version | sed -E 's/^v([0-9]+).*$/\1/')
  node_index_date="${row[1]}"
  [[ "$node_index_version" = "version" ]] && continue # skip tsv header
  [[ "$NODE_LTS_VERSION" = "latest" ]] && break # first line is latest
- [[ "$NODE_LTS_VERSION" = "$node_index_version" ]] && break # match full version if specified
+ [[ "$NODE_LTS_VERSION" = "$node_index_version" ]] && break # match full version if specified (v<major>.<minor>.<patch>)
+ [[ "v$NODE_LTS_VERSION" = "$node_index_version" ]] && break # match full version if specified (without leading `v`)
  [[ "$NODE_LTS_VERSION" = "$node_index_major_version" ]] && break # case insensitive compare
 done < node_index.tab