Print message when npm/yarn install fails during auto-indexing (#165)

Previously, auto-indexing jobs silently ignored npm/yarn install
failures making it difficult to understand why the failures were
ignored.

dev/lenient-npm.sh

@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 set -eux
 
+
 if [ $# -gt 0 ] && [ "$1" == "install" ]; then
-	/usr/local/bin/actual-npm "$@" || true
+	/usr/local/bin/actual-npm "$@" || echo "scip-typescript: ignoring npm install failure, will try to auto-index the project with partial dependency information"
 else
 	/usr/local/bin/actual-npm "$@"
 fi

dev/lenient-yarn.sh

@@ -2,7 +2,7 @@
 set -eux
 
 if [ $# -gt 1 ] && [ "$1" == "install" ]; then
-	/usr/local/bin/actual-yarn "$@" || true
+	/usr/local/bin/actual-yarn "$@" || echo "scip-typescript: ignoring yarn install failure, will try to auto-index the project with partial dependency information"
 else
 	/usr/local/bin/actual-yarn "$@"
 fi