chore(deps): update polkadot dependencies to v15

Author: renovate[bot]

packages/jsonld-suites/package.json

@@ -43,7 +43,7 @@
     "@kiltprotocol/types": "workspace:*",
     "@kiltprotocol/utils": "workspace:*",
     "@polkadot/keyring": "^13.0.0",
-    "@polkadot/types": "^12.0.0",
+    "@polkadot/types": "^15.0.0",
     "@polkadot/util": "^13.0.0",
     "@polkadot/util-crypto": "^13.0.0",
     "crypto-ld": "^6.0.0"

packages/sdk-js/package.json

@@ -33,7 +33,7 @@
   "homepage": "https://github.com/KILTprotocol/sdk-js#readme",
   "devDependencies": {
     "@kiltprotocol/augment-api": "^1.11200.0",
-    "@polkadot/typegen": "^12.0.0",
+    "@polkadot/typegen": "^15.0.0",
     "rimraf": "^3.0.2",
     "terser-webpack-plugin": "^5.1.1",
     "typescript": "^4.8.3",
@@ -47,9 +47,9 @@
     "@kiltprotocol/did": "workspace:*",
     "@kiltprotocol/type-definitions": "^1.11200.0",
     "@kiltprotocol/utils": "workspace:*",
-    "@polkadot/api": "^12.0.0",
+    "@polkadot/api": "^15.0.0",
     "@polkadot/keyring": "^13.0.0",
-    "@polkadot/types": "^12.0.0",
+    "@polkadot/types": "^15.0.0",
     "@polkadot/util": "^13.0.0",
     "@polkadot/util-crypto": "^13.0.0"
   },

packages/types/package.json

@@ -30,9 +30,9 @@
   "bugs": "https://github.com/KILTprotocol/sdk-js/issues",
   "homepage": "https://github.com/KILTprotocol/sdk-js#readme",
   "dependencies": {
-    "@polkadot/api": "^12.0.0",
+    "@polkadot/api": "^15.0.0",
     "@polkadot/keyring": "^13.0.0",
-    "@polkadot/types": "^12.0.0",
+    "@polkadot/types": "^15.0.0",
     "@polkadot/util": "^13.0.0",
     "@polkadot/util-crypto": "^13.0.0"
   },