docs: fix examples for versionRange according to VERS spec (#415)

as pointed out here:
https://github.com/CycloneDX/specification/pull/323/files/7a9208afa88c5229759538d425e2e81a1207df65#r1536923617

this fixes the `versionRange` examples.

schema/bom-1.6.schema.json

@@ -2929,11 +2929,11 @@
       "minLength": 1,
       "maxLength": 4096,
       "examples": [
-        "9.0.14",
-        "1.2.3|>=2.0.0|<5.0.0",
-        "0.0.0|0.0.1|0.0.2|0.0.3|1.0|2.0pre1",
-        ">=1.0.0-beta1|<=1.7.5|>=7.0.0-M1|<=7.0.7|>=7.1.0|<=7.1.2|>=8.0.0-M1|<=8.0.1",
-        ">=2.2.0|!= 2.2.1|<2.3.0"
+        "vers:cargo/9.0.14",
+        "vers:npm/1.2.3|>=2.0.0|<5.0.0",
+        "vers:pypi/0.0.0|0.0.1|0.0.2|0.0.3|1.0|2.0pre1",
+        "vers:tomee/>=1.0.0-beta1|<=1.7.5|>=7.0.0-M1|<=7.0.7|>=7.1.0|<=7.1.2|>=8.0.0-M1|<=8.0.1",
+        "vers:gem/>=2.2.0|!= 2.2.1|<2.3.0"
       ]
     },
     "range": {

schema/bom-1.6.xsd

@@ -77,11 +77,11 @@ limitations under the License.
                 A version range specified in Package URL Version Range syntax (vers) which is defined at https://github.com/package-url/purl-spec/VERSION-RANGE-SPEC.rst
 
                 Example values:
-                - "9.0.14"
-                - "1.2.3|>=2.0.0|<5.0.0"
-                - "0.0.0|0.0.1|0.0.2|0.0.3|1.0|2.0pre1"
-                - ">=1.0.0-beta1|<=1.7.5|>=7.0.0-M1|<=7.0.7|>=7.1.0|<=7.1.2|>=8.0.0-M1|<=8.0.1"
-                - ">=2.2.0|!= 2.2.1|<2.3.0"
+                - "vers:cargo/9.0.14"
+                - "vers:npm/1.2.3|>=2.0.0|<5.0.0"
+                - "vers:pypi/0.0.0|0.0.1|0.0.2|0.0.3|1.0|2.0pre1"
+                - "vers:tomee/>=1.0.0-beta1|<=1.7.5|>=7.0.0-M1|<=7.0.7|>=7.1.0|<=7.1.2|>=8.0.0-M1|<=8.0.1"
+                - "vers:gem/>=2.2.0|!= 2.2.1|<2.3.0"
             ]]>
             </xs:documentation>
         </xs:annotation>