[mdr] test libc.c has its sarif document checked for schema conformance

src/plugins/markdown-report/tests/sarif/libc.c

@@ -6,6 +6,9 @@
  BIN: without-libc.sarif.unfiltered
    OPT: -mdr-no-print-libc -mdr-out ./without-libc.sarif.unfiltered
    EXECNOW: LOG without-libc.sarif sed -e "s:@PTEST_SESSION@:PTEST_SESSION:" %{dep:without-libc.sarif.unfiltered} > without-libc.sarif 2> @DEV_NULL@
+
+ ENABLED_IF: %{bin-available:check-jsonschema}
+ EXECNOW: LOG with-libc.sarif.checked check-jsonschema --schemafile $(jq '."$schema"' ./with-libc.sarif.unchecked -r) %{dep:with-libc.sarif.unchecked} > ./with-libc.sarif.checked
 */
 #include <string.h>
 int main() {

src/plugins/markdown-report/tests/sarif/oracle/cwe125.sarif

 {
-  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/master/Schemata/sarif-schema-2.1.0.json",
+  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/main/sarif-2.1/schema/sarif-schema-2.1.0.json",
   "version": "2.1.0",
   "runs": [
     {

src/plugins/markdown-report/tests/sarif/oracle/std_print.sarif

 {
-  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/master/Schemata/sarif-schema-2.1.0.json",
+  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/main/sarif-2.1/schema/sarif-schema-2.1.0.json",
   "version": "2.1.0",
   "runs": [
     {

src/plugins/markdown-report/tests/sarif/oracle/with-libc.sarif.checked

+ok -- validation done

src/plugins/markdown-report/tests/sarif/oracle/without-libc.sarif

 {
-  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/master/Schemata/sarif-schema-2.1.0.json",
+  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/main/sarif-2.1/schema/sarif-schema-2.1.0.json",
   "version": "2.1.0",
   "runs": [
     {
@@ -51,9 +51,9 @@
               "physicalLocation": {
                 "artifactLocation": { "uri": "libc.c", "uriBaseId": "PWD" },
                 "region": {
-                  "startLine": 13,
+                  "startLine": 16,
                   "startColumn": 10,
-                  "endLine": 13,
+                  "endLine": 16,
                   "endColumn": 19,
                   "byteLength": 9
                 }