Merge #19983

19983: pkg/nanocbor: Update for fixed nanocbor_skip_simple() r=miri64 a=bergzand


### Contribution description

`@miri64` found a bug in NanoCBOR which is fixed with the latest commit.

Important changes:
- Fixed a bug in nanocbor_skip_simple with (b|t)str types

### Testing procedure

The pkg test should still pass.


### Issues/PRs references

None


Co-authored-by: Koen Zandberg <koen@bergzand.net>

pkg/nanocbor/Makefile

@@ -1,6 +1,6 @@
 PKG_NAME    = nanocbor
 PKG_URL     = https://github.com/bergzand/nanocbor
-PKG_VERSION = ae01e393f152b8294028986256f8451c93f75cfc
+PKG_VERSION = 54e8938e60ba6a74d8aeafffc2d4a1dfc0392498
 PKG_LICENSE = CC-0
 
 include $(RIOTBASE)/pkg/pkg.mk