chore!: replace optional deps with peer deps

Signed-off-by: Gautier Ben Aïm <[email protected]>

Author: GauBen

package.json

@@ -83,13 +83,30 @@
     "packageurl-js": "^2.0.1",
     "spdx-expression-parse": "^3.0.1 || ^4"
   },
-  "optionalDependencies": {
+  "peerDependencies": {
     "ajv": "^8.12.0",
     "ajv-formats": "^3.0.1",
     "ajv-formats-draft2019": "^1.6.1",
     "libxmljs2": "^0.35||^0.37",
     "xmlbuilder2": "^3.0.2"
   },
+  "peerDependenciesMeta": {
+    "ajv": {
+      "optional": true
+    },
+    "ajv-formats": {
+      "optional": true
+    },
+    "ajv-formats-draft2019": {
+      "optional": true
+    },
+    "libxmljs2": {
+      "optional": true
+    },
+    "xmlbuilder2": {
+      "optional": true
+    }
+  },
   "devDependencies": {
     "@types/mocha": "^10",
     "@types/node": "ts5.7",