Update bootstrap-vue package

Updating package to resolve errors while using
<b-form-select-option> component.

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I96f4fb48329b2a21959e3d5893903a21059a16e7
diff --git a/package.json b/package.json
index 14a0a80..b0519f4 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@carbon/icons-vue": "10.6.1",
     "axios": "0.19.0",
     "bootstrap": "4.3.1",
-    "bootstrap-vue": "2.1.0",
+    "bootstrap-vue": "2.5.0",
     "core-js": "3.3.2",
     "js-cookie": "^2.2.1",
     "vue": "2.6.11",