docs: update converter links (google#5030)

I'm guessing these were missed when things got rewritten? The current
Debian tool link does still exist but looks like the Python version,
which I'm assuming has been rewritten into Go living next to the other
`cmd/converters`, but let me know if I've got that one wrong

Author: G-Rath

docs/data.md

@@ -69,11 +69,11 @@ Additionally, the OSV.dev team maintains a conversion pipeline for:
 
 -   [Debian Security Advisories](https://storage.googleapis.com/debian-osv/index.html),
     using the conversion tools
-    [here](https://github.com/google/osv.dev/tree/master/vulnfeeds/tools/debian).
+    [here](https://github.com/google/osv.dev/tree/master/vulnfeeds/cmd/converters/debian).
 -   [Alpine SecDB](https://storage.googleapis.com/cve-osv-conversion/index.html?prefix=osv-output/),
     using the conversion tools
-    [here](https://github.com/google/osv.dev/tree/master/vulnfeeds/cmd/alpine),
--   [NVD CVEs for open source software](https://storage.googleapis.com/cve-osv-conversion/index.html?prefix=osv-output/) using the conversion tools [here](https://github.com/google/osv.dev/tree/master/vulnfeeds/cmd/nvd-cve-osv)
+    [here](https://github.com/google/osv.dev/tree/master/vulnfeeds/cmd/converters/alpine),
+-   [NVD CVEs for open source software](https://storage.googleapis.com/cve-osv-conversion/index.html?prefix=osv-output/) using the conversion tools [here](https://github.com/google/osv.dev/tree/master/vulnfeeds/cmd/converters/cve/nvd-cve-osv)
 
 ## Covered Ecosystems