Upgrade to bazel 7.3.1.

Also flip the flag for the repo separator.

.bazelrc

@@ -1,5 +1,17 @@
+# allow automatic platform-specific configurations (:linux, :macos, :windows)
 common --enable_platform_specific_config
+
+# do not shut down the bazel server on idleness
+startup --max_idle_secs=0
 common --enable_bzlmod
+# use stricter environment filtering for actions
+build --incompatible_strict_action_env
+# Enable verbose failures so debugging the build is easier
+build --verbose_failures
+# print test output, like sembuild does.
+# Set to `errors` if this is too verbose.
+test --test_output all
+
 # because we use --override_module with `%workspace%`, the lock file is not stable
 common --lockfile_mode=off
 
@@ -25,5 +37,9 @@ common --registry=https://bcr.bazel.build
 
 common --@rules_dotnet//dotnet/settings:strict_deps=false
 common --experimental_isolated_extension_usages
+# performance improvement on Windows
+common --incompatible_use_plus_in_repo_names
+
+
 
 try-import %workspace%/local.bazelrc

.bazelversion

@@ -1 +1 @@
-7.2.1
+7.3.1

java/kotlin-extractor/deps.bzl

@@ -17,7 +17,7 @@ def _get_dep(repository_ctx, name):
     return repository_ctx.path(Label("//java/kotlin-extractor/deps:%s" % name))
 
 def _kotlin_dep_impl(repository_ctx):
-    _, _, name = repository_ctx.name.rpartition("~")
+    _, _, name = repository_ctx.name.rpartition("+")
     lfs_smudge(repository_ctx, [_get_dep(repository_ctx, name + ".jar")])
 
     # for some reason rules_kotlin warns about these jars missing, this is to silence those warnings

misc/bazel/lfs.bzl

@@ -64,8 +64,8 @@ def _download_lfs(repository_ctx):
         srcs = [f for f in dir.readdir() if not f.is_dir]
     lfs_smudge(repository_ctx, srcs, executable = repository_ctx.attr.executable)
 
-    # with bzlmod the name is qualified with `~` separators, and we want the base name here
-    name = repository_ctx.name.split("~")[-1]
+    # with bzlmod the name is qualified with `+` separators, and we want the base name here
+    name = repository_ctx.name.split("+")[-1]
     basenames = [src.basename for src in srcs]
     build = "exports_files(%s)\n" % repr(basenames)