Updates all 3rd party dependencies (#802)

wazero has no runtime deps. This updates tools we use as well as
dependencies used in comparison with other runtimes.

Signed-off-by: Adrian Cole <adrian@tetrate.io>

examples/allocation/zig/README.md

@@ -1,6 +1,7 @@
 ## Zig allocation example
 
-This example shows how to pass strings in and out of a Wasm function defined in Zig, built with `zig build`.
+This example shows how to pass strings in and out of a Wasm function defined in
+Zig, built with `zig build`.
 
 Ex.
 ```bash
@@ -9,12 +10,21 @@ wasm >> Hello, wazero!
 go >> Hello, wazero!
 ```
 
-Under the covers, [greet.zig](testdata/greet.zig) does a few things of interest:
+[greet.zig](testdata/greet.zig) does a few things of interest:
 * Uses `@ptrToInt` to change a Zig pointer to a numeric type
-* Uses `[*]u8` as an argument to take a pointer and slices it to build back a string
+* Uses `[*]u8` as an argument to take a pointer and slices it to build back a
+  string
 
 The Zig code exports "malloc" and "free", which we use for that purpose.
 
-Note: This example uses `@panic()` rather than `unreachable` to handle errors
-since `unreachable` emits a call to panic only in `Debug` and `ReleaseSafe` mode.
-In `ReleaseFast` and `ReleaseSmall` mode, it would lead into undefined behavior.
+### Notes
+
+This example uses `@panic()` rather than `unreachable` to handle errors
+since `unreachable` emits a call to panic only in `Debug` and `ReleaseSafe`
+mode. In `ReleaseFast` and `ReleaseSmall` mode, it would lead into undefined
+behavior.
+
+If building wasm with a pre-release version of Zig 0.10.0, use `-fstage1` to
+avoid [bugs in the new compiler][1].
+
+[1]: https://github.com/ziglang/zig/wiki/Self-Hosted-Compiler-Upgrade-Guide#is-it-time-to-upgrade