Bump golang.org/x/net from 0.15.0 to 0.17.0

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.15.0 to 0.17.0.
- [Commits](https://github.com/golang/net/compare/v0.15.0...v0.17.0

)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Fixes https://github.com/turt2live/matrix-media-repo/issues/459

For https://github.com/turt2live/matrix-media-repo/issues/459

For https://github.com/turt2live/matrix-media-repo/issues/459

For safety

Slightly smaller ldflags, or something

Fixes https://github.com/turt2live/matrix-media-repo/issues/460

Fixes https://github.com/turt2live/matrix-media-repo/issues/460

Fixes https://github.com/turt2live/matrix-media-repo/issues/461

Fixes https://github.com/turt2live/matrix-media-repo/issues/462

For https://github.com/turt2live/matrix-media-repo/issues/428

Fixes https://github.com/turt2live/matrix-media-repo/issues/457

For https://github.com/turt2live/matrix-media-repo/issues/457

The download pipeline returns a CancelCloser, making this required.

For https://github.com/turt2live/matrix-media-repo/issues/457