Bump subxt from `a7b45ef` to `d4545de`
Bumps [subxt](https://github.com/paritytech/subxt) from `a7b45ef` to `d4545de`.
- [Release notes](https://github.com/paritytech/subxt/releases)
- [Commits](https://github.com/paritytech/subxt/compare/a7b45ef1d13f257d66ecb3775c0b100954618c71...d4545de8cf426db57a498c14ec28b8e2efc008df)
---
updated-dependencies:
- dependency-name: subxt
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <[email protected]>