Promote olm to a real dep given the types refer to it

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

package.json

@@ -54,6 +54,7 @@
     "dependencies": {
         "@babel/runtime": "^7.12.5",
         "@matrix-org/matrix-sdk-crypto-wasm": "^6.0.0",
+        "@matrix-org/olm": "3.2.15",
         "another-json": "^0.2.0",
         "bs58": "^6.0.0",
         "content-type": "^1.0.4",
@@ -82,7 +83,6 @@
         "@babel/preset-env": "^7.12.11",
         "@babel/preset-typescript": "^7.12.7",
         "@casualbot/jest-sonar-reporter": "2.2.7",
-        "@matrix-org/olm": "3.2.15",
         "@peculiar/webcrypto": "^1.4.5",
         "@types/bs58": "^4.0.1",
         "@types/content-type": "^1.1.5",