fix(): pin @actions/core ^1.9.0

| datasource | package       | from  | to    |
| ---------- | ------------- | ----- | ----- |
| npm        | @actions/core | 1.2.7 | 1.9.0 |

package.json

@@ -23,7 +23,7 @@
   "author": "MindDoc Health GmbH",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.7",
+    "@actions/core": "^1.9.0",
     "@actions/github": "^4.0.0",
     "@octokit/core": "^3.4.0",
     "@octokit/plugin-paginate-rest": "^2.13.3",

yarn.lock

@@ -5,10 +5,12 @@ __metadata:
   version: 4
   cacheKey: 7
 
-"@actions/core@npm:^1.2.7":
-  version: 1.2.7
-  resolution: "@actions/core@npm:1.2.7"
-  checksum: ea8aa7e54523f26e51b056e2b5b830d24a26a972e5aa80cf4c9ea2ad8785e4f67cf316a0514cec0a71bd6d1267c415b85143774a13690988532071b395bcb4a3
+"@actions/core@npm:^1.9.0":
+  version: 1.9.0
+  resolution: "@actions/core@npm:1.9.0"
+  dependencies:
+    "@actions/http-client": ^2.0.1
+  checksum: 5769808392d92de5551de87b41b3ecb00d40099f0ed02f7d6a41b176b2fb17aafe7ea2e5e69eb74fef6baf91eb25542a261fa797383fc07b0b730284432e8aa8
   languageName: node
   linkType: hard
 
@@ -33,6 +35,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@actions/http-client@npm:^2.0.1":
+  version: 2.0.1
+  resolution: "@actions/http-client@npm:2.0.1"
+  dependencies:
+    tunnel: ^0.0.6
+  checksum: 5dd4b34b256047f96fde34e6a8d73666ae18c5fd8d87a59173ba373698cc9a151f0e35f03fa1dfb5dd7d50b410a0d22cfe0239278b6ae347edd6e5fa8109d931
+  languageName: node
+  linkType: hard
+
 "@arcanis/slice-ansi@npm:^1.0.2":
   version: 1.0.2
   resolution: "@arcanis/slice-ansi@npm:1.0.2"
@@ -6109,7 +6120,7 @@ fsevents@^2.3.2:
   version: 0.0.0-use.local
   resolution: "mou-release-action@workspace:."
   dependencies:
-    "@actions/core": ^1.2.7
+    "@actions/core": ^1.9.0
     "@actions/github": ^4.0.0
     "@octokit/core": ^3.4.0
     "@octokit/plugin-paginate-rest": ^2.13.3