Detect pinned versions

Author: mvines

update-solana-dependencies.sh

@@ -34,5 +34,5 @@ crates=(
 
 set -x
 for crate in "${crates[@]}"; do
-  sed -i -e "s#\(${crate} = \"\).*\(\"\)#\1$solana_ver\2#g" "${tomls[@]}"
+  sed -i -e "s#\(${crate} = \"\)\(=\?\).*\(\"\)#\1\2$solana_ver\3#g" "${tomls[@]}"
 done