fix: add DRUPAL as a defined database prefix to schema

Author: G-Rath

schema.json

@@ -383,7 +383,7 @@
       "type": "string",
       "title": "Currently supported home database identifier prefixes",
       "description": "These home databases are also documented at https://ossf.github.io/osv-schema/#id-modified-fields",
-      "pattern": "^(ASB-A|PUB-A|ALSA|ALBA|ALEA|BELL|BIT|CGA|CURL|CVE|DSA|DLA|ELA|DTSA|GHSA|GO|GSD|HSEC|KUBE|LBSEC|LSN|MAL|MINI|MGASA|OESA|OSV|openSUSE-SU|PHSA|PSF|PYSEC|RHBA|RHEA|RHSA|RLSA|RXSA|RSEC|RUSTSEC|SUSE-[SRFO]U|UBUNTU|USN|V8)-"
+      "pattern": "^(ASB-A|PUB-A|ALSA|ALBA|ALEA|BELL|BIT|CGA|CURL|CVE|DRUPAL|DSA|DLA|ELA|DTSA|GHSA|GO|GSD|HSEC|KUBE|LBSEC|LSN|MAL|MINI|MGASA|OESA|OSV|openSUSE-SU|PHSA|PSF|PYSEC|RHBA|RHEA|RHSA|RLSA|RXSA|RSEC|RUSTSEC|SUSE-[SRFO]U|UBUNTU|USN|V8)-"
     },
     "severity": {
       "type": [