Update dependency @pulumi/gcp to v6

Author: renovate-bot

package.json

@@ -21,7 +21,7 @@
     "tslint-config-prettier": "1.18.0"
   },
   "dependencies": {
-    "@pulumi/gcp": "5.2.0",
+    "@pulumi/gcp": "6.15.1",
     "@pulumi/kubernetes": "3.1.1",
     "@pulumi/pulumi": "3.2.1",
     "fs-extra": "^10.0.0",

yarn.lock

@@ -100,10 +100,10 @@
   resolved "https://registry.yarnpkg.com/@protobufjs/utf8/-/utf8-1.1.0.tgz#a777360b5b39a1a2e5106f8e858f2fd2d060c570"
   integrity sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=
 
-"@pulumi/gcp@5.2.0":
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/@pulumi/gcp/-/gcp-5.2.0.tgz#bd87b14328e29a9b6ce2a4b1921a756f82ce670e"
-  integrity sha512-NDGPecXKJOyiu0kIA98FmkCb/HWtJf1YGtj6jTtme75TVVdvbGO1OYjCPsR2B+i2aZ1jccU0w9jc/rMsg0h18A==
+"@pulumi/gcp@6.15.1":
+  version "6.15.1"
+  resolved "https://registry.yarnpkg.com/@pulumi/gcp/-/gcp-6.15.1.tgz#68b02cc9f31ffcf0ce1e948bb4e214abc01d0fbb"
+  integrity sha512-mNWmxX4nsjut4WLY8o3BVEMqDu5eMBm8bNtAkMU5zwBhvyPSF/rYGV2fNPKUS8+gAdQbm9BoBdfcDaQc79U0Bg==
   dependencies:
     "@pulumi/pulumi" "^3.0.0"
     "@types/express" "^4.16.0"