Bump walkers to 0.29 (#8055)

### What

- Fixes #8032 

### Checklist
* [x] I have read and agree to [Contributor
Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
the [Code of
Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)
* [x] I've included a screenshot or gif (if applicable)
* [x] I have tested the web demo (if applicable):
* Using examples from latest `main` build:
[rerun.io/viewer](https://rerun.io/viewer/pr/8055?manifest_url=https://app.rerun.io/version/main/examples_manifest.json)
* Using full set of examples from `nightly` build:
[rerun.io/viewer](https://rerun.io/viewer/pr/8055?manifest_url=https://app.rerun.io/version/nightly/examples_manifest.json)
* [x] The PR title and labels are set such as to maximize their
usefulness for the next release's CHANGELOG
* [x] If applicable, add a new check to the [release
checklist](https://github.com/rerun-io/rerun/blob/main/tests/python/release_checklist)!
* [x] If have noted any breaking changes to the log API in
`CHANGELOG.md` and the migration guide

- [PR Build Summary](https://build.rerun.io/pr/8055)
- [Recent benchmark results](https://build.rerun.io/graphs/crates.html)
- [Wasm size tracking](https://build.rerun.io/graphs/sizes.html)

To run all checks from `main`, comment on the PR with `@rerun-bot
full-check`.

Cargo.lock

@@ -3637,7 +3637,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
 dependencies = [
  "cfg-if",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -4943,7 +4943,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c1318b19085f08681016926435853bbf7858f9c082d0999b80550ff5d9abe15"
 dependencies = [
  "bytes",
- "heck 0.4.1",
+ "heck 0.5.0",
  "itertools 0.13.0",
  "log",
  "multimap",
@@ -8888,8 +8888,9 @@ dependencies = [
 
 [[package]]
 name = "walkers"
-version = "0.28.0"
-source = "git+https://github.com/rerun-io/walkers?rev=8939cceb3fa49ca8648ee16fe1d8432f5ab0bdcc#8939cceb3fa49ca8648ee16fe1d8432f5ab0bdcc"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0688ad9bfb3bd49d997a6fb831e9ef21e251f4698c07e2f9902dcdb72d254bd"
 dependencies = [
  "egui",
  "egui_extras",

Cargo.toml

@@ -288,7 +288,7 @@ url = "2.3"
 uuid = "1.1"
 vec1 = "1.8"
 walkdir = "2.0"
-walkers = "0.28"
+walkers = "0.29"
 # NOTE: `rerun_js/web-viewer/build-wasm.mjs` is HIGHLY sensitive to changes in `wasm-bindgen`.
 #       Whenever updating `wasm-bindgen`, update this and the narrower dependency specifications in
 #       `crates/viewer/re_viewer/Cargo.toml`, and make sure that the build script still works.
@@ -572,7 +572,7 @@ significant_drop_tightening = "allow" # An update of parking_lot made this trigg
 
 # egui_commonmark = { git = "https://github.com/rerun-io/egui_commonmark", rev = "7a9dc755bfa351a3796274cb8ca87129b051c084" } # https://github.com/lampsitter/egui_commonmark/pull/65
 
-walkers = { git = "https://github.com/rerun-io/walkers", rev = "8939cceb3fa49ca8648ee16fe1d8432f5ab0bdcc" } # https://github.com/podusowski/walkers/pull/222
+# walkers = { git = "https://github.com/rerun-io/walkers", rev = "8939cceb3fa49ca8648ee16fe1d8432f5ab0bdcc" } # https://github.com/podusowski/walkers/pull/222
 
 # commit on `rerun-io/re_arrow2` `main` branch
 # https://github.com/rerun-io/re_arrow2/commit/e4717d6debc6d4474ec10db8f629f823f57bad07