docs: fix broken GAD link (#4454)

Author: terriko

README.md

@@ -10,7 +10,7 @@
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5380/badge)](https://bestpractices.coreinfrastructure.org/projects/5380)
 [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/intel/cve-bin-tool/badge)](https://securityscorecards.dev/viewer/?uri=github.com/intel/cve-bin-tool)
 
-The CVE Binary Tool is a free, open source tool to help you find known vulnerabilities in software, using data from the [National Vulnerability Database](https://nvd.nist.gov/) (NVD) list of [Common Vulnerabilities and Exposures](<https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures#:~:text=Common%20Vulnerabilities%20and%20Exposures%20(CVE)%20is%20a%20dictionary%20of%20common,publicly%20known%20information%20security%20vulnerabilities.>) (CVEs) as well as known vulnerability data from [Redhat](https://access.redhat.com/hydra/rest/securitydata), [Open Source Vulnerability Database (OSV)](https://osv.dev/), [Gitlab Advisory Database (GAD)](https://advisories.gitlab.com/about/index.html), and [Curl](https://curl.se/docs/vuln.json).
+The CVE Binary Tool is a free, open source tool to help you find known vulnerabilities in software, using data from the [National Vulnerability Database](https://nvd.nist.gov/) (NVD) list of [Common Vulnerabilities and Exposures](<https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures#:~:text=Common%20Vulnerabilities%20and%20Exposures%20(CVE)%20is%20a%20dictionary%20of%20common,publicly%20known%20information%20security%20vulnerabilities.>) (CVEs) as well as known vulnerability data from [Redhat](https://access.redhat.com/hydra/rest/securitydata), [Open Source Vulnerability Database (OSV)](https://osv.dev/), [Gitlab Advisory Database (GAD)](https://advisories.gitlab.com/), and [Curl](https://curl.se/docs/vuln.json).
 
 CVE Binary Tool uses the NVD API but is not endorsed or certified by the NVD.