fix(deps): pin dependencies (#29)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: jkroepke-automation[bot] <210774419+jkroepke-automation[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -7,11 +7,11 @@
   "author": "Jan-Otto Kröpke",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.11.1",
-    "@actions/exec": "^1.1.1",
-    "@actions/http-client": "^2.2.3",
-    "@actions/tool-cache": "^2.0.2",
-    "semver": "^7.7.1"
+    "@actions/core": "1.11.1",
+    "@actions/exec": "1.1.1",
+    "@actions/http-client": "2.2.3",
+    "@actions/tool-cache": "2.0.2",
+    "semver": "7.7.2"
   },
   "engines": {
     "node": "^20 || ^22"