branch-4.0: [Feature](varbinary) add length, from_base64_binary, to_base64_bianry, sub_binary for VarBinary type

[wumeibanfa]

pick from #56648

[hello-stephen]

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
3. What features were added. Why was this function added?
4. Which code was refactored and why was this part of the code refactored?
5. Which functions were optimized and what is the difference before and after the optimization?

[yiguolei]

run buildall

[wumeibanfa]

run buildall

[doris-robot]

ClickBench: Total hot run time: 30.21 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit 3bd44510e3c5d12a2638ef4b86232f8441e9088b, data reload: true

query1	0.04	0.03	0.03
query2	0.11	0.05	0.04
query3	0.25	0.08	0.07
query4	1.65	0.11	0.11
query5	0.27	0.25	0.25
query6	1.19	0.65	0.64
query7	0.03	0.03	0.02
query8	0.07	0.04	0.03
query9	0.62	0.51	0.53
query10	0.59	0.56	0.56
query11	0.17	0.11	0.11
query12	0.15	0.12	0.12
query13	0.64	0.61	0.61
query14	0.80	0.82	0.82
query15	0.89	0.89	0.85
query16	0.39	0.39	0.40
query17	1.06	1.02	1.07
query18	0.19	0.19	0.19
query19	1.91	1.82	1.84
query20	0.03	0.02	0.01
query21	15.45	0.94	0.59
query22	0.82	1.26	0.80
query23	14.87	1.36	0.68
query24	16.31	0.62	0.25
query25	0.23	0.14	0.10
query26	0.40	0.16	0.14
query27	0.06	0.05	0.04
query28	9.14	0.99	0.94
query29	12.60	3.92	3.26
query30	0.31	0.13	0.10
query31	2.88	0.62	0.38
query32	3.24	0.56	0.50
query33	3.15	3.15	3.01
query34	16.82	5.91	5.19
query35	5.22	5.15	5.21
query36	0.72	0.53	0.52
query37	0.09	0.07	0.06
query38	0.07	0.04	0.05
query39	0.04	0.03	0.03
query40	0.18	0.15	0.15
query41	0.10	0.03	0.03
query42	0.03	0.03	0.02
query43	0.04	0.03	0.04
Total cold run time: 113.82 s
Total hot run time: 30.21 s