Update 3rd party libraries. (#711)

Merge pull request #703 from gocsaf/add_rolie_category

ROLIE: Add category to entries

Merge pull request #696 from gocsaf/slient-revive

silence revive linter warnings

Merge pull request #655 from gocsaf/json-eof

Make json parsing more strict

Fix aggregator URL handling (#631)

* Fix aggregator URL handling

Parts of the URL were not path escaped. This results in a wrong URL; if
the provider name contains characters that need to be escaped.

* Simplify JoinPath usage

ensure HTTP requests use proxy env vars (#597)

* fix: ensure HTTP requests use proxy env vars

Updated all instances of `http.Transport` to include the `Proxy` field set to `http.ProxyFromEnvironment`. This ensures that the application respects proxy configuration defined by the `HTTP_PROXY`, `HTTPS_PROXY`, and `NO_PROXY` environment variables.

### Changes:
- Modified `http.Transport` initialization across the codebase to use:
  ```go
  Proxy: http.ProxyFromEnvironment
  ```
- Ensured TLS configurations remain intact by preserving `TLSClientConfig`.

### Why:
- Previously, HTTP requests bypassed proxy settings due to missing configuration in the transport layer.
- This fix enables compatibility with proxied environments, aligning with standard Go behavior.

### Impact:
- All HTTP and HTTPS traffic now adheres to proxy settings.
- Domains listed in `NO_PROXY` bypass the proxy as expected.

### Verification:
- Tested with proxy environment variables set (`HTTP_PROXY`, `HTTPS_PROXY`).
- Verified requests route through the proxy and `NO_PROXY` works as intended.

* reformat with fmt

---------

Co-authored-by: Cormac Doherty <[email protected]>

fix: Link to file was not working (#592)

Older version (#513)

* Add go_legacy.yml to check for compatibility with older go versions

* Remove tests already done in go.yml

* fix: Update actions, use stable/oldstable in actions

---------

Co-authored-by: JanHoefelmeyer <[email protected]>

docs: underline that we are _not_ offering an API yet (#502)

* docs: move link to final CSAF 2.0 in README

* docs: underline that we are _not_ offering an API yet

* Grammar fix

---------

Co-authored-by: JanHoefelmeyer <[email protected]>

Merge pull request #475 from csaf-poc/schema-validation-assert-format

Schema validation: Add AssertFormat flag to schema compiler