fix(tvix/eval): use rnix-parser from crates.io

A few weeks ago, oberblastmeister did a release to crates.io so we can
stop importing it via GitHub.

Change-Id: I9d5fa5cd281685779c71b12fed45ed201a1db17e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7532
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

corp/tvixbolt/Cargo.lock

@@ -433,8 +433,9 @@ checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
 
 [[package]]
 name = "rnix"
-version = "0.11.0-dev"
-source = "git+https://github.com/nix-community/rnix-parser.git?rev=85a045afd33e073a3eab4c0ea2f515b6bed557ab#85a045afd33e073a3eab4c0ea2f515b6bed557ab"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb35cedbeb70e0ccabef2a31bcff0aebd114f19566086300b8f42c725fc2cb5f"
 dependencies = [
  "rowan",
 ]
@@ -619,6 +620,16 @@ dependencies = [
  "serde_json",
  "smol_str",
  "tabwriter",
+ "tvix-eval-builtin-macros",
+]
+
+[[package]]
+name = "tvix-eval-builtin-macros"
+version = "0.0.1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]