[llvm] [bazel] Upgrade to 7.3.0 (PR #102991)

[Keith Smiley via llvm-commits]

https://github.com/keith created https://github.com/llvm/llvm-project/pull/102991

Most importantly this rc has a change that we had to revert for
previously


>From 5235020ae6be8e8c7fb2b9b5ca48b96600e0233a Mon Sep 17 00:00:00 2001
From: Keith Smiley <keithbsmiley at gmail.com>
Date: Wed, 31 Jul 2024 18:59:17 +0000
Subject: [PATCH] [bazel] Upgrade to 7.3.0

Most importantly this rc has a change that we had to revert for
previously
---
 utils/bazel/.bazelrc      | 5 +++++
 utils/bazel/.bazelversion | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/utils/bazel/.bazelrc b/utils/bazel/.bazelrc
index 975667f8fa8118..67fb4f432787f8 100644
--- a/utils/bazel/.bazelrc
+++ b/utils/bazel/.bazelrc
@@ -6,6 +6,11 @@
 # Common flags that apply to all configurations.
 # Use sparingly for things common to all compilers and platforms.
 ###############################################################################
+
+# Flip off to disable MODULE.bazel until we're ready.
+# https://github.com/llvm/llvm-project/issues/55924
+common --enable_bzlmod=false
+
 # Prevent invalid caching if input files are modified during a build.
 build --experimental_guard_against_concurrent_changes
 
diff --git a/utils/bazel/.bazelversion b/utils/bazel/.bazelversion
index 5e3254243a3b27..1502020768a7b4 100644
--- a/utils/bazel/.bazelversion
+++ b/utils/bazel/.bazelversion
@@ -1 +1 @@
-6.1.2
+7.3.0