Fix issue with npm unlink for npm version > 6

fatso83 · fatso83 · commit 3f5982210459 · 2021-11-04T16:11:15.000+01:00
'npm unlink' would implicitly unlink the current dir
until version 7, which requires an argument
diff --git a/docs/release-source/release/examples/run-test.sh b/docs/release-source/release/examples/run-test.sh
@@ -27,4 +27,4 @@ npm unlink sinon
 git checkout -- package.json
 npm install --ignore-scripts
 cd "$SCRIPT_DIR/.."
-npm unlink
+npm unlink .
