[Build] Upgrade Bazel from 6.5.0 to 7.5.0

[andrew-anyscale]

Bump the pinned Bazel version to 7.5.0 and add --noenable_bzlmod to keep the existing WORKSPACE-based dependency setup working.

Topic: bazel-7-5-upgrade
Signed-off-by: andrew andrew@anyscale.com

[andrew-anyscale]

Reviews in this chain:
└#61601 [Build] Upgrade Bazel from 6.5.0 to 7.5.0
　└#61725 [Build] Upgrade protobuf 28.2, absl 20240722.0, grpc 1.68.2, boringssl

[andrew-anyscale]

#	head	base	diff	date	summary
0	b0853dc6	55227f94	diff	Mar 9 14:15 PM	10 files changed, 50 insertions(+), 11 deletions(-)
1	99ce3fe7	55227f94	diff	Mar 9 19:52 PM	4 files changed, 22 insertions(+), 3 deletions(-)
2	72d1c2a7	55227f94	diff	Mar 9 20:07 PM	1 file changed, 1 insertion(+), 1 deletion(-)
3	a3c7b007	55227f94	diff	Mar 9 20:56 PM	1 file changed, 1 deletion(-)
4	3deab42e	55227f94	diff	Mar 10 6:06 AM	4 files changed, 16 insertions(+), 5 deletions(-)
5	de576e28	55227f94	diff	Mar 10 9:28 AM	3 files changed, 223 insertions(+)
6	b13ed975	55227f94	diff	Mar 10 11:36 AM	1 file changed, 19 insertions(+), 14 deletions(-)
7	c84e7784	55227f94	diff	Mar 10 18:39 PM	2 files changed, 11 insertions(+)
8	6394f91f	55227f94	diff	Mar 11 7:02 AM	1 file changed, 7 insertions(+)
9	5126efae	55227f94	diff	Mar 11 7:32 AM	1 file changed, 4 insertions(+)
10	35898927	55227f94	diff	Mar 11 7:56 AM	1 file changed, 6 insertions(+)
11	ce7d8029	a6fec9ca	diff	Mar 11 16:07 PM	5 files changed, 5 insertions(+), 27 deletions(-)
12	52abc9ad	d2029f77	rebase	Mar 12 11:49 AM	0 files changed
13	bb290893	d2029f77	diff	Mar 12 12:31 PM	2 files changed, 2 insertions(+), 2 deletions(-)
14	5a50d48f	f63c28fd	rebase	Mar 12 12:31 PM	0 files changed
15	62db8ee1	a8f15f83	diff	Mar 12 12:49 PM	1 file changed, 2 insertions(+), 1 deletion(-)
16	500f21ee	899eb2e7	diff	Mar 12 12:55 PM	0 files changed
17	1d0d801f	abcb022d	rebase	Mar 12 13:08 PM	0 files changed
18	9915e816	e74b48dc	rebase	Mar 12 20:31 PM	0 files changed
19	c4abe00b	5114f871	rebase	Mar 13 11:13 AM	0 files changed
20	8e29c072	4b753789	rebase	Mar 13 14:43 PM	0 files changed
21	2d3be3e1	bc015e04	rebase	Mar 13 17:26 PM	0 files changed
22	faea87ee	8883f3c3	rebase	Mar 13 17:27 PM	0 files changed
23	a0f915de	23fb31c7	rebase	Mar 16 7:15 AM	0 files changed
24	cf89a0a2	2a5a4465	diff	Mar 16 15:59 PM	0 files changed

[gemini-code-assist]

Code Review

This pull request upgrades Bazel from version 6.5.0 to 7.5.0. The changes are comprehensive, updating the .bazelversion file, build configurations in .bazelrc and WORKSPACE, and relevant documentation and test files. To maintain compatibility with the existing WORKSPACE-based dependency setup, Bzlmod is disabled. The pull request also includes necessary patches and dependency overrides for rules_apple, apple_support, and protobuf to address breaking changes in Bazel 7. The changes appear correct and well-justified for the upgrade. I have one suggestion to relax the Bazel version pinning in the WORKSPACE file to allow for patch releases, which could improve the developer experience.

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[cursor]

Comment contradicts the updated Bazel version pin

Medium Severity

The comment on lines 10-11 explicitly states "Our generated CPP template does not work with bazel 7.x, so pin the bazel version to 6," but USE_BAZEL_VERSION was mechanically changed from 6.5.0 to 7.5.0. If the comment is still accurate, this will break the CPP sanity check. If the template now works with Bazel 7, the comment is stale and misleading. Either way, this looks like an unintentional find-and-replace without verifying the stated incompatibility.